How To Fix Xfinity Flex Keeps Shutting Off/Crashing?

Xfinity flex is one of the best streaming devices/boxes out there in the market. It allows its users to access more than 10,000 shows, movies, and apps like Hulu, Netflix, Prime Video, HBO Max, etc. However, you may experience trouble streaming a title on an Xfinity device. We also have been using the Xfinity Flex devices for the past few months and encountered some streaming-related issues. 

Recently, we’ve seen that numerous users were reporting that they’re having some trouble while using the Xfinity Flex. Some of them said that their Xfinity File keeps shutting off, and some of Xfinity keeps crashing. 

This post is intended for you guys if you’re also encountering the same issue. In this post, we’ll discuss how you can eliminate “Xfinity Flex keeps shutting off/crashing.”

Why does my Xfinity flex keep turning off?

There can be plenty of reasons, but we’ve listed some of the most probable reasons that can cause “Xfinity Flex keeps shutting off” or “Xfinity Flex keeps crashing” issues. 

  • Faulty or damaged Cable Connections.
  • Cable Connections aren’t securely connected.
  • Internet Connectivity is poor or unstable.
  • Your Xfinity Flex remote is having some issues.
  • Your Xfinity Flex streaming box is connected to a damaged or faulty outlet.

How do I fix my Comcast Flex?

Wondering how to get rid of the “Xfinity Flex keeps on shutting off/crashing” this issue? Well, we’ve gathered and penned down some of the effective methods that will help and guide you in resolving the problem you’re encountering.

Reboot your Xfinity Flex and TV

Let’s begin with the simplest method, restarting the Xfinity Flex streaming box. If you’ve already tried rebooting your Xfinity Flex, do it again. And, if you haven’t tried this yet, then;

How do I reboot my Xfinity box?
  • Firstly, turn on your TV and Xfinity Flex streaming box.
  • Now, unplug the TV and Xfinity Flex from the power outlet.
  • Then, wait for 60 seconds.
  • After that, plug both the devices into the wall outlet and turn on both your devices.

After rebooting both your devices, check to see if the issue persists. If it still keeps on shutting off or crashing, then move on to the next one.

Related: Xfinity X1 TV keeps rebooting

Check your internet connection

If your Xfinity Flex keeps on shutting off/crashing, it might be due to some bad or unstable internet connection. Xfinity Flex is an online streaming box, and if there’s an internet issue, it will also start misbehaving. Also, there were instances when devices started crashing and shutting off if they got unstable internet connections. 

So, try checking the internet connection. If there’s some issue with your internet connection, call your ISP (Internet Service Provider) or troubleshoot your router or modem.

Firstly, check and follow the things that are listed below;

  • Visit or to run the internet speed test.
  • Try streaming content on other devices.
  • Check all the cable connections of the router and modem.

If there’s some issue with your internet, then reboot your router/modem.

  • Turn off the router/modem and unplug it from the power source.
  • Now, wait for 2-3 minutes.
  • And plug the router/modem back into the power source and turn it on. Wait until the connection establishes appropriately.
  • Once it’s done, connect your Xfinity Flex to your network and check it is still behaving the same.

Verify all the Cable Connections

The thing you need to check is the cable connections of Xfinity Flex and TV. While researching why Xfinity Flex keeps on shutting off, we found that if there’s a fault in cable connections, you’ll likely face such an issue with your Xfinity Flex streaming box. 

So, try checking all the cables that are attached and connected with your TV and Xfinity Flex device. Check to see if any of the wires are torn, frayed, damaged, or not well connected. If you found any of these, then fix it now. If the cables are frayed, damaged, or torn, then replace them. If they’re connected well, then reconnect them securely.

Change the HDMI cable 

Sometimes you may experience such an issue due to a faulty HDMI cable. If you’ve checked all the wires and couldn’t find any defective or damaged cable, then try replacing the HDMI cable. In most cases, users were able to fix such issues after replacing the HDMI cable. So, try changing it and connecting the new HDMI cable to your Xfinity Flex and check if this resolves the issue.

Connect the HDMI cable into another port

If replacing the HDMI cable didn’t help you, try the step that worked for you in many cases. Try disconnecting the HDMI cable and connecting it to another HDMI port. 

Also, ensure to select the correct HDMI input by pressing the Source button on your TV remote. 

Check your remote

Your Xfinity remote can be the culprit behind your Xfinity keeps crashing or shutting off. When a device controller goes bad or has some signal interference, then it can cause such an issue. Maybe your Xfinity Flex remote is also having some problems, and it keeps on sending the wrong signals to your Xfinity Flex streaming box.

In this scenario, you can try replacing the batteries of your remote and if that doesn’t work, then reset your Xfinity Flex remote.

To reset your Xfinity Flex remote (for XR16);

  • Press and hold down the Info (i button) and Home simultaneously for three seconds or until the LED flashes.
  • Now, press the Power button > left arrow button > Volume Down button in order.
  • Once your remote resets, re-pair it with your Xfinity Flex and check if your Xfinity Flex is still on shutting off or crashing.

Disconnect Xfinity Flex

If your Xfinity Flex streaming box is connected to a power surge protector, extension board, or power strip, then try disconnecting or unplugging the power cord of your Xfinity Flexbox and connecting it directly to the Power outlet. Then, turn on your Xfinity Flex and check if the issue persists. 

Place your Flex at a ventilated place

If your Xfinity Flex is placed in an unventilated area, then it may lead your device to such streaming issues. And maybe this is the reason why you’re facing the shutting off or crashing issue on your streaming box.

So, try to place it in a ventilated area or make that area airy. And then restart your Xfinity Flexbox.

Does this resolve your issue? If not, move on to the following step.

Change the resolution 

We all want to experience our desired shows and movies on the highest streaming quality. If you’re also in the list, then try to change the resolution of your Xfinity Flex device. Setting the device to its standard streaming quality reduces the load on the device’s system and ram and helps them run smoothly. 

To change the resolution;

  • Lift your Xfinity Flex remote and press Exit > Exit > Exit > 720 . This will set the picture settings to 720p resolution.
  • After setting the resolution, restart your Xfinity Flex device and check if this fixes the issue.

Factory Reset Xfinity Flex

If you’re still encountering the issue, then try resetting the Xfinity Flex to its default factory settings. To perform a factory reset, please follow the below steps:

How do I factory reset my Flex?
  • Turn on the Xfinity Flex streaming box.
  • Now, press the Power and Menu buttons simultaneously.
  • After that, press the Up and Down buttons on the remote simultaneously and then select the Restore Defaults option.
  • At last, press OK to confirm the reset.

Once your Xfinity Flex resets to its default settings, set up your account and check to see if this fixes the problem you’re facing.

Contact Xfinity Support

It seems like the steps we’ve mentioned and instructed in this post didn’t help you resolve the issue. In this scenario, we suggest you contact Xfinity Flex support and ask their customer support to provide you assistance.

Also, Check: Xfinity Flex black screen

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