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Fix Samsung Galaxy Z Flip 4 & Z Fold 4 No Network Signal, Mobile Data Not Working



If you’re having trouble with your Samsung Galaxy Z Flip 4 or Galaxy Z Fold 4’s carrier network signal or mobile data, you’re not alone. Many users have been reporting that the device keeps losing cellular signal, getting poor network, or mobile data connection is unreliable issue, and it seems to be affecting a wide variety of devices as well.

There are a few potential reasons why this issue might be happening on your Samsung mobile device, but fortunately, there are also a few potential fixes that you can do for your phone.

Image credit: Samsung

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How to Troubleshoot & Fix Samsung Galaxy Z Flip 4 & Z Fold 4 Device No Network Signal, Mobile Data Not Working Issue

In this blog post, we’ll run through some of the most common causes of this cellular signal issue and how to fix the mobile data network connection problem on your Samsung Galaxy Z Flip 4 or Z Fold 4 mobile phone.

Image credit: Samsung

Method #1 – Check your SIM Card

If your SIM card is not working, the first thing you should do is check that it is inserted correctly. If it is, then try restarting your phone. If that doesn’t work, try taking the SIM card out and putting it back in. If none of these things work, then you may need to get a new SIM card from your service provider.

Method #2 – Toggle Airplane Mode On and Off

If your Samsung Galaxy Z Flip or Z Fold is not receiving any network signal or mobile data, the first thing you should do is toggle Airplane mode on and off.

To do this, simply go to your device’s Settings > Connections > Airplane mode and turn it on for 10 seconds, then turn it back off. This should reset your device’s connection to the network and hopefully fix the issue.

Method #3 – Restart your Samsung Galaxy Fold or Flip 4 Device

If you’re still having trouble with your phone’s signal or data after completing the previous steps, try restarting your phone. This can sometimes resolve issues with the signal or data not working properly.

  • To restart your phone, simply press and hold the power button for a few seconds until the power menu appears.
  • Then, select the “Restart” option from the menu.
  • After your phone restarts, check to see if the signal or data issue has been resolved.

Method #4 – Reset the Network Settings

If your Samsung Galaxy Z Flip or Z Fold is still not getting any carrier network signal or cellular mobile data, then you can try resetting the network settings.

  • To do this, go to Settings > General Management > Reset > Reset Network Settings.
  • Once you have reset the network settings, restart your phone and see if the problem has been fixed.

Method #5 – Update the PRL and Carrier Settings

If your carrier settings are out of date, it could be causing problems with your phone’s ability to connect to the internet. To make sure your carrier settings are up to date, go to Settings > About phone > Carrier. If an update is available, follow the prompts to install it.

Once you’ve updated your carrier settings, you’ll need to update your PRL (Preferred Roaming List). This is a list of towers that your phone can connect to and is used by your carrier to optimize your connection.

To update your PRL, go to Settings > Cellular > Carrier Services and tap UpdatePRL.

Method #6 – Check for a System Update & Install them

One of the first things you should do if you’re having trouble with your mobile data is to check for a system update for your device software. To do this, go to Settings > About device > Software update and see if there’s an available update. If there is, download and install it. This might fix the problem.

Method $7 – Contact your Mobile Carrier

If your Samsung Galaxy Z Flip or Z Fold smartphone is having trouble connecting to a cellular network or accessing the internet, you may need to contact your carrier.

Once you’ve reached out to your carrier, they should be able to help you resolve the issue so you can get back online.

If you’re having trouble with your Samsung Galaxy Z Flip 4 or Z Fold 4 and are unable to get any cellular network signal or mobile data network connect is really aweful, there are a few things you can try to troubleshoot the issue. If all else fails, you can factory reset your phone, but be aware that this will delete all of your data and settings.

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