Blink Sync Module Offline Not Connecting To Wifi

Blink Sync Module Offline? Not Connecting To Wifi? What To Do

The Blink Sync Module is a nifty piece of hardware if you have a large ecosystem of Blink cameras and security devices. It works like a control center or aggregation module for bringing all your Blink devices together, but what if it goes offline? Why is your Blink Sync Module not connecting to Wi-Fi?

According to official information from the manufacturer’s website, your Blink Sync Module will not connect to a 5GHz Wi-Fi network, as it only supports 2.4GHz. Placing the Sync Module too far away from your router or typing an incorrect password will also cause connection issues that will send the device offline.

In this article, you’ll learn why your Blink Sync Module isn’t connecting to Wi-Fi. I’ll also show you how to troubleshoot common problems with the device not connecting to your Wi-Fi router, even when there’s nothing wrong with either device. Without more ado, let’s analyze why your Blink Module isn’t connecting to Wi-Fi.

Before we continue, you should know your Blink Sync Module must connect to Wi-Fi to work, as that’s how it communicates with all your devices and control them. So, if the device isn’t connecting to Wi-Fi, you should solve the problem before troubleshooting other potential issues.

So, why is your Blink Sync Module not connecting to Wi-Fi? After interactions with other owners and hours of scouring the web for answers, here are the most common reasons why a Blink Sync Module may not refuse your Wi-Fi connection:

  • Unsupported Wi-Fi frequency: According to the Blink support page for its Sync Module, the company clarified that the device only works on 2.4GHz Wi-Fi networks, which is the standard for most routers today. However, many companies already sell 5GHz routers, the new gold standard for Wi-Fi networks. If your Wi-Fi network is 5GHz, consider downgrading it to 2.4GHz to make it work with your Blink Sync Module and all connected Blink cameras. However, changing your security camera supplier might be the better option if you need the extra speed from your 5GHz router.
  • Out-of-range router: If your Blink Sync Module typically stays a bit far away from your home’s Wi-Fi router, that may be the source of the problem. The device relies on a fast and uninterrupted connection to work, and leaving it somewhere far away from your router doesn’t help it in its quest. Generally, 2.4GHz routers can reach up to 150 feet indoors, but you shouldn’t bet on that. Several factors may affect that, making the actual range more restricting. A general rule of thumb is to keep the Blink Sync Module as close to the router as possible; any walls or obstructions will affect the range negatively.
  • Incorrect password: One of the most common reasons Blink Sync Modules don’t connect to your home’s Wi-Fi is an incorrect password. During the setup process, you’ll have to enter your Wi-Fi password to allow the device and all connected cameras to use your Wi-Fi to carry out their functions. Sometimes, your password may be wrong, causing the connection to fail. What’s more, it’s unlikely that the Blink Sync Module will tell you you made a mistake with the password; instead, it brings up a random authentication error message and leaves you to figure out the rest. If your Blink Sync Module has a Wi-Fi connection problem, try reentering the password to see if that changes anything. In most cases, that should fix the problem.
  • Network congestion: According to the official support page for Blink Sync, the device needs a connection with upload speeds of at least 2 MB per second to work correctly. That’s around 16 megabits per second, which isn’t excessive for a 2.4GHz Wi-Fi router. However, when several devices use the same connection for upload, it becomes difficult for the Blink Sync Module to get its 16 Mbps speed requirement for uploads, which will actively prevent the device from connecting and working. In short, consider disconnecting some devices to decongest your Wi-Fi network if you have too many devices connected to your router.
  • Random bug: The Blink Sync Module is not a 100% perfect piece of tech that doesn’t fail. Every so often, the device comes up with random bugs that may impede your setup process, and it so happens that one of the more common bugs is the Blink Sync Module not connecting to Wi-Fi. When it appears like your device has a bug, consider resetting it and restarting the setup to see if that changes anything. If you still can’t get it to work, you may have to send that specific unit to Blink for a replacement, as it’s likely faulty.
  • Finally, one of these suggestions should solve the problem of your Blink Sync Module not connecting to Wi-Fi. Once you’ve circled through each suggestion, your Blink Sync Module should be connected to a Wi-Fi network, ready to work with the rest of your Blink devices.
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Sometimes, your Blink camera may stop working, throwing up a vague “Unable to Connect” message as an excuse. When that happens, you want to dig deeper into the issue to understand why your camera has encountered it.

In most cases, an “Unable to Connect” message isn’t a problem with the camera but with your Sync Module. Cameras from Blink rely on a steady connection to the hub, and any interference to that connection will bring up the iconic “Unable to Connect” error message.

So, when that happens to your Blink security camera, consider cycling through the list of potential solutions from the preceding section. If the problem is from the Wi-Fi network, reconnecting the Sync Module to Wi-Fi using one of those suggestions would be the fix you’re seeking.

You should also check if any of your devices disconnected briefly from the power source since that could bring up the error message. If there was a power cut, consider restarting your camera and Sync Module and reconnecting them to your router. The devices should all start working once you reinitiate the connections.

Another common issue with Blink cameras and alarm systems is the offline error message. If you use an ecosystem of Blink devices, you won’t have to wait too long before dealing with this issue, but why do Blink cameras keep saying offline?

In most cases, it’s not because of a problematic Wi-Fi connection, but a slow connection may force your Blink to output the message. If your router can’t deliver upload speeds exceeding 2 MB per second or 16 Mbps, you may have to deal with your Blink cameras alerting you with the offline message.

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While the problem is usually with your Wi-Fi speeds, you can’t rule out the possibility that your security camera or Blink Sync Module lost connection to your router. Consider trying the suggestions from the initial section to see if they help to eliminate the offline issue with your Blink device.

Ideally, you want at least three bars of signal strength on your Sync Module for all connected devices to work correctly. If all of that fails, you should power cycle your Blink Sync Module to get it back online. A power cycle is similar to a restart; simply unplug the device from any power source, wait for 10 seconds, and plug it back in. Your Blink Sync Module should then come online.

If you’ve ever tried to set up a Blink Sync Module, you should be able to recall that one of the steps requires you to connect to your home’s Wi-Fi network. However, the fun part is that the module lacks a screen or any kind of input, so you need a different way to enter your Wi-Fi details.

That different way is the Blink app; you need the app to connect the device to a Wi-Fi connection. However, imagine a hypothetical scenario where you don’t have a smartphone for the Blink app; can you link the Blink Sync Module to your router directly without using the app?

The answer is no, as the device can not make an autonomous connection to a Wi-Fi network. Also, you must connect your Blink Sync Module to a speedy 2.4GHz frequency Wi-Fi connection for it to work in the first place.

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So, if you live under a rock with no smartphones, you shouldn’t buy a Blink Sync Module. Even if you found a way to get a 2.4GHz router that works, you won’t be able to connect the module, as you’ll need a smartphone that supports the Blink app.


Your Blink Sync Module needs an active internet connection to work, which means you must connect to Wi-Fi during the initial setup. If the connection isn’t working, this article has some troubleshooting tips. From ensuring you have a 2.4GHz router to power cycling your Sync Module, you should find a solution that works for you.

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