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Home Technical Blink

Blink Error Command Failed To Complete (quick fix)

Marco Albertini by Marco Albertini
in Blink

The error message “Command failed to complete” shows on Blink doorbell cameras in different scenarios. In some cases, it shows during the initial setup of the new doorbell on the discovery step when the camera is flashing red light. The camera setup process stops and the app says that the command failed to complete.

In other cases, this error shows when the user tries to modify or adjust settings on the Blink system and these changes don’t go through (are not applied) because the command fails to complete. In another report, the error appears when the user tries to add more cameras to the setup.

Basically, the Blink error message command failed to complete indicates that the device is not able to save the settings or the commands (adjustments, modifications) are not going through. In other words, the commands that the user enters can’t be applied to the device.

How to fix Blink error Command Failed To Complete

There are many things you can do to bypass this error. The first thing you should do is check the batteries.

Check the batteries

Ensure that the batteries are installed properly into the camera and there’s no obstacle stopping the connection. As a matter of fact, you can remove them and insert them back again, you should see a bright red flash for about 5 seconds as the camera powers on.

In some cases, the batteries may be dead on arrival, or about to expire and the device doesn’t even have enough juice to perform all the functions. You may need to replace the batteries or recharge them (if, rechargeable).

Another suggestion, remove the batteries from the device, wait at least a few minutes and allow the camera to attempt to connect to the Sync Module. If the same error message occurs, restart the Sync Module and try again.

Restart your router

Once you’re sure that the batteries are good, it’s time to reboot the router. Sometimes the commands fail because the internet connection between the device and the phone app is not stable. If the internet drops or is interrupted, the commands won’t be able to go through.

That’s the reason why you should check the internet in the location and ensure that it works. Try to open some random pages on the phone.

Additionally, make sure the WiFi router is able to cover the spot where the device is located. If it’s too far away, the connection may be unstable. You may bring the device closer to the WiFi point and see if it works.

Re-add the Sync module

You may try to unplug the sync module for 15 seconds and replug it. Perform a hard reset in the sync module by pressing the reset switch with a paperclip for about 10 seconds, release, and wait for the camera to come back online.

Then remove the batteries from the camera for at least 20 seconds and install them back in. Try again through the phone and see if the command failed error has disappeared.

Check the band in your router

It has been reported that in some cases the issue is related to the 2.4GHz and 5GHz bands in your router. The device may be “confused” by the bands and is not able to establish a correct connection.

Look into your router’s settings and disable the management frame protection on the 2.4GHz interface. Additionally, you may try to set the router on 2.4GHz only (and disable the dual option, meaning disable the 5GHz). Once you do that, reboot the router and see if you can connect to the Blink device.

Note: If you can’t find these settings on your router, google the router’s model and check the user manual.

Other tips

Other things you could try are resetting the device by pressing and holding the reset button for a few seconds (the detailed instructions are listed here). Also, ensure that the phone app and the phone itself are updated to the latest version.

At last, if none of these work for you, then it may be time to call Blink’s technical support for further assistance. If there’s a hardware-related issue with the camera, they will send out a replacement for you.

Marco Albertini

Marco Albertini

Italian-born Marco Albertini, with a background in Computer Science, found his passion in security camera systems, alarms, and cloud services. Based in New York since 2010, he's a sought-after expert, assisting numerous businesses and homeowners in securing their properties with advanced solutions.

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