The Samsung Galaxy S10 Mobile Data might not connect automatically after the WiFi is disabled, so you should check the info below and learn what you can do in order to fix this problem.

The Samsung Galaxy S10 devices have been launched for some time now, and there are users reporting in that their units are experiencing mobile data connection issues.

If the Mobile Data toggle is enabled and the Wi-Fi connection drops, then the Mobile Data connection should connect automatically.

How to Fix Galaxy S10 Mobile Data Not Connecting Automatically After Wi-Fi Connection gets Disabled:

Before trying to apply any changes for your phone you need to first test and make sure that the network is working and that you have enough signal bars for mobile data to work. In case the signal strength is not over one bar, then the mobile data connection won't work as intended and your problems are not smartphone related.

Another thing you need to try is to reseat the SIM card in its tray. Sometimes the SIM card might move when the phone is dropped, and that will deactivate all network connections leaving you without any chance of using the Internet on your phone.

Boot Galaxy S10 in Safe Mode and Verify Mobile Data Connection:

The first guide teaches you how to boot the phone in Safe Mode and check in there if the mobile data works in there. The Safe Mode will only load the original default settings and apps you have configured on your Galaxy S10 phone. Here's how to boot Safe Mode:

  • press and hold the Power button.
  • now you will see the Power options displayed on your device.
  • now you have to tap and hold the Power Off option.
  • the icon will turn into another one called the "Safe Mode".
  • tap once and the boot will boot in Safe Mode.
  • confirm the process and the phone will boot in Safe Mode.

When in Safe Mode try to connect your device to mobile data and if it works, then something might be wrong with the default network settings of your phone.

How to Reset Galaxy S10 Network Settings:

You can try to reset the network settings of your Galaxy S10 using the instructions below. This process might fix the issues your Galaxy S10 is having with the mobile data connection. Here's how to reset the network settings:

  • go to Settings.
  • open General Management menu.
  • tap on the Reset option.
  • now open Reset Network Settings.
  • tap Reset Settings option and enter your unlock code to confirm process.
  • reboot the phone and see if the problems are fixed.

Update Galaxy S10 to latest Android firmware version:

If the problem persists, then it might be due to a faulty firmware installation and you should try to update your phone to its latest Android firmware version.

Go to Settings> Software Update menu, and use the Download and Install menu to search for new firmware files availability. If a new update is ready you can confirm the process and your Galaxy S10 will complete the update automatically.

Wipe cache partition of Galaxy S10:

The Android OS will set various data and setting for each app that you have installed on your Galaxy S10. Some of these apps might interfere with your network settings. Check the info below and learn how to easily wipe the cache partition of your smartphone.

The Cache Partition of the Galaxy S10 can be wiped using the Recovery Mode. Here's how to do it:

  • power off the phone.
  • press and hold Volume Up + Bixby + Power buttons.
  • release the buttons when the screen shows a blue background and an Android logo.
  • now wait 30 seconds more for the Recovery Mode option to load.
  • select 'wipe cache partition' option and confirm process.
  • reboot the phone in normal mode after you're done.

If this doesn't fix the problems you're having with the Mobile Data connection, then you should continue to the next guide below.

Factory Reset Samsung Galaxy S10 from Recovery Mode:

If you haven't managed to fix the Galaxy S10 Mobile Data connection problems using all the above methods, then the last thing left to try would be to Factory Reset the device's internal storage.

The Factory Reset steps below should restore your smartphone to its original settings and no files will survive the process. Make sure to backup all your important data files before starting the factory reset. Here's how to factory reset the device:

  1. Power off your Galaxy S10.
  2. Boot it in Recovery Mode by pressing and holding Volume Up + Bixby + Power buttons at the same time.
  3. Release the buttons when the blue background shows the Android logo. Now wait for the Recovery Mode menu to load.
  4. Select 'wipe data/ factory reset' option and confirm the process.
  5. Confirm and wait for the process to be completed by the phone.
  6. Reboot the phone in normal mode after you're done.

These were all the steps that you had to take in order to try and fix your Galaxy S10 Mobile Data connection. If you still are experiencing problems with your device after applying all the changes above, then you should take your phone to a professional repair shop as they should offer extra help.

If you are experiencing other problems with your Galaxy S10, then feel free to let us know in comments below and we will try to offer new solutions.

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