Wi-Fi Information and Troubleshooting Guide


All Blink cameras require a 2.4 GHz Wi-Fi Internet connection. The cameras use Wi-Fi to send images and notifications so you can view them from the Blink app on your mobile device. At minimum, Blink systems need a connection of at least 2 Mbps upload speed.

Wi-Fi is also important for Blink cameras that need to connect to a Sync Module on the same Wi-Fi network. The Sync Module is the hub between the Blink app, Blink Servers and your camera. Without an internet connection, this data exchange is not possible.

Note: 
The Blink Mini, Wired Floodlight, and Video Doorbell do not require a Sync Module to function, but do require a local Wi-Fi signal.

General Wi-Fi issues

Understanding Wi-Fi and network requirements

Use this article to understand optimum network requirements for your Blink devices.

Wi-Fi Network Requirements

  • 2.4GHz Wi-Fi Network 802.11b/g/n 
  • A high-speed internet connection (DSL, Cable, Fiber) with a minimum upload speed of 2 Mbit/sec.
  • IP Configuration: DHCP 
  • Wi-Fi Security: WEP, WPA, WPA2 with TKIP SSID

Note: Blink does not support satellite internet due to high latency issues.

Things to check first

Start with the following:

  • Verify signal strengths. Blink App > Device Settings > General Settings > Camera to Wi-Fi will show your device's signal strength.
    • Find out more in the Network layout and Connectivity sections below.
  • Power cycle all devices that allow connection to the internet.
  • Verify your internet connection and account are active.

Network layout

Where to place your Sync Module

The Sync Module is the hub between the Blink app, Blink Servers and your camera. Without an internet connection, this data exchange is not possible. 

In a typical situation (single building, no unusually dense construction materials), the Sync Module should be able to communicate with Blink cameras up to 100 ft. (30m) away in any direction. We recommend keeping the Sync Module near your wireless router for best signal strength. For optimum camera and Sync Module usage, three bars of signal strength displaying on the Sync Module screen is ideal.

Examples of less than ideal Sync Module locations:

  • Behind a Television
  • Inside a closed cabinet
  • Directly on top of your Wi-Fi router
  • In a basement

Examples of good Sync Module locations:

  • On a window sill, in a central location between your indoor and outdoor cameras
  • On TV stand or cabinet, and no less than 3 ft. (1m) and no more than 10 ft. (3m) away from your Wi-Fi router
  • Near other equipment that may also be using your Wi-Fi 
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Connectivity

Camera connectivity issues with your network

The Blink system relies on having good signal strengths for optimal performance in viewing Live Views, uploading motion clips and for best video quality. It is critical for the cameras to show 3 bars of connectivity to avoid performance issues.

Fewer than 3 bars for each connection can create intermittent issues with the performance of your system. 

In case of any camera issues on a mesh network, rebooting the router should be a first step.

Assuming standard construction techniques (single building, no unusually dense construction materials) the Sync Module should be able to communicate with Blink cameras up to 100 feet (33m) away in any direction. We recommend keeping the Sync Module near your wireless router for best signal strength. 

See the section below to learn about signal strengths and how to check them. You should have three bars of signal connectivity at the Sync Module and each camera, as depicted on the Sync Module screen in the Blink app.

Where to find signal strength in the Blink app

Tap the More iconsettings icon at the bottom right of the device's thumbnail image and select Device Settings. Then tap General Settings.

You will see a Network section. Depending on the type of camera you have, this section can contain:

  • Change Wi-Fi
    • Tapping this allows you to change your device's existing Wi-Fi connection. Use this if you have installed a new router for your network or want to change access points for your devices.
  • Connection to Wi-Fi
    • The icon here represents the strength of your Wi-Fi connection to the camera.
  • Connection to Sync Module
    • The icon here represents the strength of your Sync Module's connection to your network.
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Signal types

Its important to note that the cameras use two types of signals for communication:

  • LFR - Low Frequency Radio - is the signal that cameras share with the Sync Module.
  • Wi-Fi (2.4 GHz) - is the frequency that the cameras communicate with your Wi-Fi router on. Blink supports mesh and merged networks with a single SSID but only communicates on the 2.4 GHz band.
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How to boost internet signal

One solution, other than moving the camera closer to the Wi-Fi router, is to install a Wi-Fi extender or booster. A newer, more effective solution is called mesh Wi-Fi.

  • Extenders
    A Wi-Fi extender repeats the wireless signal from your router to expand its coverage. Extenders function as a bridge to capture the Wi-Fi from your router and rebroadcast it to areas where the Wi-Fi is weak or nonexistent. This improves the overall Wi-Fi performance and signal strength for all connected devices within range. Learn more about using extenders with Blink cameras.
  • Mesh Wi-Fi
    Mesh networks eliminate connectivity dead zones by blanketing your home in Wi-Fi. They work by allowing different types of devices to chain off each other as nodes in a network, each broadcasting the radio signal further than the last. The typical mesh network includes several nodes, which act like satellites for your network. One of these nodes is a gateway and connects to the internet through your modem. The other nodes communicate to each other and will expand your wireless coverage every time you add a new node. Rather than communicating with a single access point (like a traditional network), each node of a mesh network communicates with the others. This distributes the overall signal strength and Wi-Fi coverage throughout an area.
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Troubleshooting your connection

If your connections to either your Wi-Fi or Sync Module are below 2 bars or less, attempt the following troubleshooting steps.

camera settings page update signal strength button

  1. Device placement
    • Move the device closer to the Wi-Fi router and tap Pull to Refresh to check if the bars increase. Repeat until you see improved signal strength.
  2. Check your internet
    • If you haven't already, attempt a power cycle of the Wi-Fi router.
    • Check that your 2.4 GHz Wi-Fi network is functioning normally and that the internet is available.
    • Check that the Wi-Fi network speed is not being reduced by streaming movies and games, or other high bandwidth activities. Two Megabit per second (2 Mb/sec) upload speed (going from your location) must be available to the Blink system at all times. Test your connection by temporarily suspending any streaming of music, movies, video or gaming to prevent consumption of bandwidth.
    • If your Wi-Fi password or network has changed, the Blink system will not function correctly until you update the settings.
  3. Check that the outlet provides power
    • To confirm that power is present to the wall outlet, you can try plugging in a different device or appliance.
    • Some outlets are controlled by a wall switch, check to see if this applies to your outlet.
    • If the wall outlet is not providing power, you can try a different outlet.
    • It is also possible that a circuit breaker has tripped, so you may want to check your electrical distribution panel.
  4. Check that the wall charger provides power
    • If your outlet has power and the camera is not getting power, try to use a different wall charger.
    • Any standard 5 volt USB wall charger should work. 5 volt USB phone chargers are commonly available.
  5. Check the cable
    • It is possible that the USB cable became damaged from being bumped into. The damage may not be visible from outside.
    • You can try the camera's power cable with another device to see if power is present.
    • You can try to use another USB Type A male, to micro-usb Type B male, cable. These are commonly used for charging phones and other devices.
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Network frequency

Wi-Fi Router Band Settings

Blink products can only connect to 2.4 GHz (802.11 b/g/n) networks.

The Sync Module will not respond if it has been switched to a 5 GHz network.

What’s the Difference Between 2.4 GHz vs 5 GHz Wi-Fi?

Blink devices cannot connect to a 5 GHz network. The differences between 2.4 GHz and 5 GHz bands are the speed and range of their networks. A 2.4 GHz band transmits farther and can penetrate building materials better with lower power transmission. A 5 GHz band; however, can send more data. 

5 GHz should not be confused with 5G networks that mobile devices use for data transmission.

Dual-Band Routers

A dual-band router is any wireless internet router that sends out a signal on both 2.4GHz and 5GHz frequencies. Routers have features that vary based on manufacturer and model. Most dual-band routers automatically broadcast on both bands without any additional configuration, which is why it may not be obvious there are two bands.

Which Band is Better?

The main differences between 2.4GHz and 5GHz bands are the speed and range of their networks. A 2.4GHz band transmits farther and can penetrate building materials better with lower power transmission. A 5GHz band; however, can send more data. 5GHz should not be confused with 5G networks that mobile devices use for data transmission.

Many other devices commonly found in homes, such as microwave ovens and garage door openers, also operate on the 2.4GHz band. This can cause interference and reduce speeds. In addition, placing your devices behind dense building materials such as brick, stone, concrete, steel, and aluminum can interfere with signal strength, even when connecting on 2.4GHz.

Band Merging

With the technological advancement of routers, "band steering" is becoming more common. Routers with this feature use the same Wi-Fi network name (SSID) and password for both 2.4GHz and 5GHz bands, allowing you to join a single network and receive the advantages of both frequencies.

Note: Blink devices only connect to 2.4GHz bands, even when bands are merged on your router.

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Password

  1. Often, when adding a camera or Sync Module to your Blink system, the password is mistyped. Try carefully re-entering your password. If you continue to receive the "Incorrect password for Your W-Fi" message, try the next steps.
  2. Verify the password by checking if it's written on a sticker located on your router. 
  3. Try forgetting the Wi-Fi network on your mobile device's network settings, and then reconnect to it. If you can successfully reconnect using this method, your password is correct.

Router settings

Make sure that your router is not blocking access to the Sync Module. This can happen if you are alerted that a device is attempting access but the name is not familiar. Blink devices are sometimes identified by their radio chip instead of the Blink product name.

Disable VPN

Do you use a virtual private network (VPN) on your mobile device?  If so, please disable the VPN before you set up Blink devices. You can enable your VPN after you complete setup.

If you're continuing to have issues with VPN after setup, make sure your VPN server is in the same time zone as your device.


Important information to discuss with your Internet Service Provider (ISP)

We suggest speaking with your ISP to discuss your home network capabilities. Here is a guide for reviewing your network setup with your ISP.

  • Upload speed - The Blink system requires a consistent minimum upload speed of 2Mbps per camera. Any result lower than 2Mbps may cause latency and/or issues establishing or maintaining connection.
  • Network congestion - The more devices in your home use Wi-Fi, the more they will be sharing your network's bandwidth. You can disable the Wi-Fi setting for non-Blink devices not in use and reenable it as needed.
  • Old routing equipment - What is the age/model of your router? We recommend a router model less than 5 years old to ensure it supports the latest technology. If you're renting network equipment, your ISP may be able to provide you with an upgraded model at no additional cost.
  • Packet loss - This means bits of information are being dropped when communicated over the network. This can cause communication failure from your device to your router or your mobile device to your router. Packet loss can occur within your home (device to router) and/or within your connection from your router to your ISP's server.
  • Privacy settings/Parental Controls/Firewalls - Network security is important. Ensure these settings are set up so they do not interfere with your ability to connect to your connection to your Blink system. Ensure that each individual Blink device is allowed to establish its own connection. Tip: you can white-list your Blink device's individual MAC addresses. If you are unsure how to do so, check with your ISP.
  • Duplicate SSIDs - When two networks in the same location have the same SSID/name, your Blink system may try to connect to the wrong one. This other SSID may be in a different location that is too far for reliable connectivity or may be and incompatible network. Ensure you are attempting to connect to the appropriate SSID.
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Wi-Fi 6 (802.11ax) compatibility

Wi-Fi 6, also known as Wi-Fi 802.11ax is a new wireless technology being implemented in new routers.

Blink devices (Camera and Sync Module) require the use of an 802.11b/g/n network. Blink devices do not support the upcoming standard Wi-Fi 6 (802.11ax), but those new routers are backwards compatible with 802.11b/g/n, so Blink will continue to function as it does today.

Compatibility List:

802.11b

2.4 GHz

Compatible

802.11g

2.4 GHz

Compatible

802.11n

2.4 GHz

Compatible

802.11n

5 GHz

Not Compatible

802.11ac

5 GHz

Not Compatible

802.11ax

1-6 GHz

Not Compatible

802.11w

1-6 GHz

Not Compatible

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Mobile Devices Not Connecting to Wi-Fi

If your mobile device has no connection to your Wi-Fi network, you will not be able to add a Sync Module or Blink camera. However, if you have Wi-Fi off, the Blink app attempts to turn Wi-Fi on in the install process.

After a device is added to your Blink system, use the Blink app for all other functions on mobile data alone, or on another Wi-Fi network. Learn more about how to set up and add devices to a Blink system. Here's some tips to help get your device connected to your Wi-Fi network.
  • Make sure your device’s Wi-Fi is turned on and not in airplane mode. Depending on your device, Wi-Fi settings can be usually located within your Settings app or by swiping down from the top or up from the bottom of your screen.
  • Restart your device, or try switching the Wi-Fi setting off and on again to establish a connection.
  • Make sure your mobile device is within range of your router or access point.
  • Check that your router and any access points are powered on. Restarting your Wi-Fi router may also resolve this issue.
  • Check that other devices are able to connect and function properly on your Wi-Fi. This will rule out any network issues.
  • Make sure you have the latest OS installed on your device.
  • Turn off Location Services which could cause connectivity issues in some cases.


Learn more about how to set up your Blink devices.

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My Wi-Fi password doesn't work

This article helps you troubleshoot Wi-Fi password issues. 

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Attention

Blink Support is unable to help you retrieve your network password. For resolving these types of issues, please contact your Internet Service Provider (ISP) or network administrator.

Troubleshooting

If you receive an "Incorrect password for Your Wi-Fi" message, try the following tips.

  1. Often, when adding a camera or Sync Module to your Blink system, the password is mistyped. Try carefully re-entering your password. If you continue to receive the "Incorrect password for Your Wi-Fi" message, try the next steps.
  2. Verify the password by checking if it's written on a sticker located on your router. 
  3. Try forgetting the Wi-Fi network on your mobile device's network settings, and then reconnect to it. If you can successfully reconnect using this method, it will confirm you are using the correct password.


Other troubleshooting

Working with dual band networks

Many modern routers are dual band, and can broadcast both network frequencies - 2.4GHz and 5GHz. This can sometimes lead to issues when connecting to other smart devices in the home. For example, if your mobile device is connected to the 5GHz network and you're trying to set up a device that needs to connect to a 2.4GHz network, errors may arise, including incorrect password errors.

If your router is dual band, it may be necessary to temporarily disable the 5GHz band in order to connect exclusively to the 2.4GHz band and then add your Blink devices. If you're unable to do this or still receiving errors, contact your ISP or router manufacturer.

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What is the Blink Wi-Fi Network?

The Blink Wi-Fi network is a temporary wireless signal used to connect Blink devices to your mobile device. When adding a Sync Module, Mini, Video Doorbell, or Wired Floodlight Camera, the Blink app will prompt you to connect to the temporary Blink Wi-Fi network. This network is named “BLINK-" followed by the last four digits of the device's serial number. 

The Sync Module manages communications between your wireless cameras and Blink secure servers. The Blink Mini, Video Doorbell, and Wired Floodlight do not require a Sync Module for those communications.

Sync Module Example

Mini Example

Doorbell Example

You can safely connect your mobile device to your local "BLINK-XXXX" temporary Wi-Fi connection. If you encounter problems connecting to your local Blink Wi-Fi, make sure you have the Blink app Local Network (iOS) or Location (Android) permissions enabled on your mobile device. See the links below for more information.

iOS

Learn more about enabling Local Network for your Blink app on your iOS device.

Android

Learn more about changing the Blink app permissions on your Android device.

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How can I move my Blink Mini to a new location or Wi-Fi network?

This article will outline the steps for updating the Wi-Fi settings for your Blink Mini camera. 

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Note

These steps only apply to a standalone Mini camera not associated with another system on a Sync Module.

Please have your Wi-Fi credentials available and ensure to plug in your camera before proceeding. 

  1. Tap More  on your camera's thumbnail and select Device Settings .


  2. Tap General Settings > Change Wi-Fi.

    available Wi-Fi networks

  3. On the Change Wi-Fi screen, follow the instruction to "Press and release the reset button on the camera until red and blue lights flash. When ready, the lights will display: Blinking Blue, Steady Green."



  4. Tap Discover Device, a pop-up window prompts you to join the "Blink" Wi-Fi network, "BLINK-XXXX."

    join a Wi-Fi network notification

  5. Tap Join, select your Wi-Fi network from the list. If your network is not listed, tap Refresh List. 
    Note: You may be required to move the camera closer to your Wi-Fi router or troubleshoot your router.

    available Wi-Fi networks

  6. Enter your Wi-Fi password and tap Join on your keyboard.

    available Wi-Fi networks

  7. If successful, the following message displays “Mini camera changed Wi-Fi!”
    Tap Done to return to the Home screen.
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How to update your Video Doorbell's Wi-Fi Connection

Use this article to connect your Blink Video Doorbell to a new Wi-Fi network or reconnect to your existing network. 

If you are seeing a "Doorbell Offline" message, tap the banner and you will be guided through changing your Wi-Fi network in the app. Note: You will need to remove doorbell from the mounting plate and press the reset button on the back of the doorbell.

If you deleted the doorbell, try through the app and do the change Wi-Fi steps. If your doorbell is offline, then you will need to reset it before following these steps.

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Electric Shock Risk: If your doorbell is connected to powered wiring, there is a risk of electric shock when the doorbell is removed form its back plate. Live wires can cause injury if you connect them together by touching with skin, or a conductive object like a steel screwdriver.

Change Doorbell Wi-Fi

Note: These directions apply to when your Doorbell is a stand alone system and not part of another system on a Sync Module.

  1. Locate the Doorbell camera on your Home screen. Tap More  and select Device Settings .
  2. Tap General Settings.
  3. Tap Change Wi-Fi at the bottom of the screen then complete the steps.
  4. For safety, if you have connected powered wiring to your doorbell, you should turn off all power to the circuit. Tap Continue after you turn off power to the chime, or if you did not connect powered wiring.
  5. Remove the doorbell from its mounting plate with the opening key.
  6. When the doorbell is removed, tap Continue, and the next screen shows where to find the Reset button.
  7. Press the reset button for your doorbell. There are two locations for the reset button, depending on your model:

    On the back, batteries are open to view. On the back, there is a battery cover.
    Hold the reset button for 5 seconds, then turn the doorbell over to view the front face and wait for the red LED to flash at the top of the ring surrounding the button. Hold the reset button until green and blue LEDs light up followed by flashing red, at the top of the ring surround.
  8. When the flashing LED pattern is correct, tap the Discover Device button.

Not blinking red?

If the red LED is not flashing after 30 seconds, tap the Not Blinking Red? 

  1. Remove the batteries for ten seconds, replace them, wait for the red LED. (The red LED does not flash if the doorbell is already installed.)
  2. Make sure the batteries are fresh.
  3. Press and hold the reset button until the LED flashes red.
  4. Tap Contact Customer Support if your doorbell still does not display the flashing red light after following the instructions above.

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  1. You are shown an alert inviting you to connect to a "BLINK-xxxx" network created by the doorbell. Tap Join.

  2. Connect the doorbell to your Wi-Fi. Choose your network name among the list of discovered 2.4 GHz Wi-Fi networks.

    Note: If you do not see your Wi-Fi network, tap Refresh List.

  3. Tap the password entry area to open the keyboard. Type your network password and tap Continue.

  4. The doorbell connects to the Blink servers and may have to update the system. If you see an "Updating firmware..." message, let it run to completion.

     

  5. When the Wi-Fi network update is complete, you are shown a screen with a green check mark and a confirmation message. Tap Continue.

  6. Connect the doorbell to its mounting plate, and tap Done to return to the Home screen.

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Updating the Wi-Fi setting for your Sync Module system

This article explains how to update your Sync Module's Wi-Fi settings in the Blink app.

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Don't own a Sync Module? Need to update Wi-Fi for a Blink device that can create its own system? Review these articles:

For other Wi-Fi troubleshooting, see our Wi-Fi Information and Troubleshooting Guide.

When you move your Sync Module system to a new location or Wi-Fi network, you will need to set up the Sync Module for its new network. Your Sync Module may stay connected to the same Wi-Fi setup when you move it, but we do not guarantee it will perform. We recommend that you manually update the Wi-Fi settings for the Sync Module's new network.

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Before you begin

This procedure requires direct communication between the mobile app and the Sync Module. Both must be active and on the same Wi-Fi network. To complete this procedure, you must be physically with your system and have your Sync Module plugged in to a power supply.

Note: Reconfiguring the Sync Module Wi-Fi network will not delete saved clips.

Change a Sync Module's Wi-Fi Network

  1. From the Home screen, tap on Sync Module and select Change Wi-Fi Network.
  2. On the change Wi-Fi screen, you will see a blinking blue light above a steady green light.
  3. Press the Reset button. 
    • Press until you feel it click, and hold until one LED turns red; then release the button.
  4. When the lights match a blinking blue and solid green pattern, tap Discover Device when prompted to join the Sync Module's temporary Wi-Fi network. Tap Join, and then select your Wi-Fi network.
    tap Join Wi-Fi Network select your Wi-Fi Network
  5. Enter your Wi-Fi password and tap Join.
  6. After the devices have finished communicating, you’ll receive a message, “Sync Module added to <system name> system!”. Once you receive that message, tap Done.
  7. Your system is ready to be used as normal.
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Device issues

Blink Mini Camera Offline

  Note: We’ve enhanced the design of the Blink app. If the steps listed below in this article do not match your current app (6.30.0 or higher), you can view the previous design.

If you receive a Camera is offline message on your Blink app home screen, it means the Blink servers lost communication with your Mini camera. This will normally fix itself when the network comes back up, or when there is less traffic on the Wi-Fi network. When your camera comes back online, the message will disappear.

Most often, disconnected or slow internet makes the Mini camera lose contact. Most internet providers provide downloads to your location much faster than uploads from your location. If there is a sudden jump in the data being used, the Mini camera may miss a check-in and the offline message may appear.

If your camera keeps disconnecting even when power and Wi-Fi internet are steady, please contact Blink support.


Troubleshoot Mini camera offline message

Check Power

The Blink Mini compact camera is powered by direct connection to a USB standard power adapter instead of batteries. To function, the power cord must be reliably connected to a 5 volt 1 Amp power source, and the molded micro-USB connector must be fully inserted into the camera.

Check Internet

To send you images and sounds, the Mini camera needs a 2.4 GHz Wi-Fi internet connection with upload speeds (going out from your network) at least two megabits per second (2 Mb/sec) at all times, including when others are on the same internet connection.

When you tap the alert shown in the app home screen, a Camera Offline screen provides helpful tips. The first, is to check the Wi-Fi internet and the power supply, then check the camera power connection.

       


Troubleshooting Wi-Fi

  1. Check Wi-Fi. Ensure that you can connect to the internet, and that the password has not been changed. If the password has been changed, refer to the next step.
    Rebooting the Wi-Fi router is often very effective to resolve Blink connectivity issues.
    If you have rebooted your router and Blink does not connect after 3 minutes, continue.
  2. Check your password. If the password is changed, or if you wish to use a different Wi-Fi network, tap the Change Wi-Fi button:     Change Wi-Fi     and follow the instructions.
    If the password or network have not changed, continue.
  3. To repeat the camera installation process, tap the Delete Camera button:    Delete Camera   and follow the instructions.

If these steps do not reconnect your camera, please contact Blink support.

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Doorbell Offline error message

Learn how to get your doorbell back online or connected to Wi-Fi.

Remove or replace batteries

If the doorbell falls offline or it can't connect during setup, try these steps.

  • Remove the batteries from the doorbell for 5 seconds and then re-insert them. 
  • If the red LED flashes, press the Reset button on the back of the doorbell for five seconds. Your doorbell is now ready to be added to your Blink account.
  • If no red LED flashes, try new batteries. Replace the batteries with two new, AA 1.5-volt lithium non-rechargeable batteries. If no red LED flashes, please contact Customer Support.

Reboot your router and check your Wi-Fi password

If the doorbell can't connect to your Wi-Fi network, try these steps:

  • Reboot your Wi-Fi router - Unplug your Wi-Fi router for 30 seconds and plug it back in. Restarting your router can help when your Wi-Fi is slow or stops intermittently.
  • Check your Password - Ensure you have entered your Wi-Fi password correctly. Tap the eye icon in the password field to see the password you enter. To learn more, visit My Wi-Fi password doesn't work.
  • Check the connection between your Wi-Fi router and your doorbell - If your internet speeds are good, you may still have an issue with the strength of the signal between your router and the doorbell. To verify signal strength:
    • Tap the More iconsettings icon at the bottom right of the doorbell's thumbnail image and select Device Settings
    • Tap General Settings.
    • Locate Network and confirm the Connection to Wi-Fiis sufficient.
  • If these steps don't work try disabling your VPN on your mobile or uninstall any apps that may conflict with the Blink app.  Learn more about conflicting apps.

Learn more about Blink Wi-Fi Network Requirements.

You may receive an in-app message alerting you to poor connectivity to Blink servers. Be sure your internet connection is working and that it can provide a minimum of 2Mbps of upload speed. 

Sync Module placement

If your doorbell is connected to a Sync Module, consider moving the Sync Module to provide better signal strength between the Wi-Fi router and the doorbell. To check your Sync Module signal strength, follow these steps.

  1. Tap Device Settings > General Settings.
  2. Under Network, the signal strength of the Sync Module to the doorbell is displayed.
  3. If your signal strength is two bars or less, you may need to bring the Sync Module closer to the doorbell.

For more information, visit the "Where to Place your Sync Module" section of Understanding Blink Wi-Fi Requirements.

Delete your Doorbell

If you've attempted the troubleshooting steps listed above but are still experiencing issues, try deleting and re-adding the doorbell to your Blink system.

  1. Tap the More iconsettings icon at the bottom the doorbell's thumbnail image and select Device Settings.
  2. Tap General Settings
  3. Tap Delete Device.
  4. When the confirmation message displays, tap DELETE to remove the doorbell. 
  5. After you tap DELETE, you will receive an email confirming the doorbell has been deleted from your account.

Once your doorbell is removed from your account, you can re-add it back to your Blink account. Learn more about setting up your Video Doorbell‍.

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One camera isn't responding

If one of your Blink cameras isn't responding, you may see error messages such as "Camera Busy" or "Thumbnail Failed." 

These messages can happen if your Sync Module isn't able to communicate with the camera.

The following steps may also help in resolving this issue.

  1. Move your camera closer to your Sync Module. Also make certain that you have 3 bars of signal strength for Camera to Wi-Fi and Camera to Sync Module.
  2. Power cycle both your modem and router by unplugging them for 30 seconds and plugging them back in. Then wait two minutes for Internet service to be restored and then try using your camera again.
  3. Power cycle your camera by removing the batteries for 10 seconds and reinsert them. Then check to see if your camera responds to commands.
  4. If the steps above don't resolve the issue, try a different power source. You can use a micro USB cable and USB power adapter to power the camera with the batteries removed.

If you continue to experience issues, please contact Technical Support to assist you further.

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Sync Module Is Offline

  Note: We’ve enhanced the design of the Blink app. If the steps listed below in this article do not match your current app (6.30.0 or higher), you can view the previous design.

If your Sync Module loses its internet connection, the following changes will occur in the Blink app:

  1. A "Sync Module Offline" banner will appear at the top of the screen.
  2. The thumbnails of each camera will blur and display a "Sync Module is Offline" message in the center.

If your Sync Module is not connecting to your Wi-Fi network, try these steps:

  1. Reboot Wi-Fi Router: Reboot your router and wait until the internet connection is restored.
  2. Power-Cycle Sync Module: Unplug the Sync Module for five seconds, then plug it back in. You should see a solid blue light above a green light within a minute or two.

Note: If you observe a light pattern other than a solid blue light above a solid green light, you may need to update the Wi-Fi settings for your Sync Module. To do so, you must be physically present at the location where the Sync Module is set up.

If the issue persists, you will need to delete and reinstall your Sync Module as outlined in the steps below. 

Caution: Proceed with deleting your Sync Module only if your system is not functioning as intended.

Deleting Sync Module

1. Tap on the Sync Module Offline banner at the top of the Blink app.

2. Tap Sync Module Status to navigate to Sync Module settings.

3. Tap Delete Sync Module.

4. A popup will appear, suggesting you contact Customer Service. Tap OK to dismiss the popup.

5. To proceed with deletion, you’ll need to enter or scan the Sync Module’s serial number, which can be found on its back. Once entered, tap Continue.

6. A confirmation screen will appear, asking you to verify the deletion of the Sync Module. Tap the DELETE button to complete the process.

After deleting the Sync Module, it will be removed from your account. However, the system to which the Sync Module was connected, as well as any associated cameras and accessories, will remain. 

Reconnecting a Sync Module will restore normal camera functionality. Learn how to add a Sync Module to your Blink system

Delete

Sync Module 2 Reset Button

If your Sync Module has gone offline, you can press the reset button to place your Sync Module back in setup mode.

Sync Module 2

The Sync Module 2 has a physical reset button located at the back of the device (#3 below). Pressing the reset button takes your Sync Module offline until you re-add it.

  1. QR Code of the Device Serial Number (DSN)

  2. USB 2.0 Type-A port for USB flash drive

  3. Reset Button

  4. Power port (standard mini-USB 5v 1A)
image showing a sync module with the back facing toward you. A square label is placed in a shallow recess thats almost as big as the sync module and a reset button is cut out of the material just outside of the label. On the sides, are a USB A for the USB memory stick, and the mini-USB for the power cord is adjacent to the reset button. The front of the Sync Module has two LED lights set back in holes in the upper right corner of the front face.

Helpful Tip: Use a fingernail or small object to press the reset button until you feel a slight click.

You can reset your Sync Module by the following methods:

  • Power cycle the Sync Module
    If you are having any issues with your Sync Module, unplug the power cord from the back of the unit for 10 seconds and then plug it back in. The device will reboot and reconnect and display a solid blue and solid green light or solid blue and blinking green when ready for setup.
  • Press the reset button for 5 seconds
    If power cycling your Sync Module does not bring it back online, try a reset. Use a small object or fingernail to press the reset button for 5 seconds. You will see a red light flash. After 15 seconds, a blinking blue light and solid green light display on the front of the Sync Module. The Sync Module is now ready to be added through the Blink app.

Sync Module (1st Gen)

The reset button for the Sync Module (1st Gen) is located next to the USB port. To push the button, you will need to place a small thin object (like a paperclip or a toothpick) within this recessed hole until you feel a click.

Contact Customer Service if these steps do not help.

Delete

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