If your Galaxy S9 has problems when making normal calls, video calls, sending and receiving e-mails, sending SMS or sending any other type of data over the air, and the "unfortunately, IMS Service has stopped" error is shown, then you can follow the info below and learn how to fix the issue.

Check the instructions in this post and learn how you can fix the issues your device is experiencing when dealing with sending and receiving media files. If the error that says "IMS Service has failed" is shown by your device and it doesn't go away, then you will have to apply some extreme actions in order to get rid of it.

How to Repair IMS Service That's not working on Samsung Galaxy S9:

Below you can find several tutorials that will teach you what to do in order to get rid of the issues your Galaxy S9 is having when using the IMS Service.

Boot Device in Safe Mode and remove unwanted apps:

If you have installed any applications recently and you suspect that one of these are the ones making the IMS Service to stop, then you should try to remove them. In case you cannot get rid of an installed app when in normal mode, then you should boot the device in Safe Mode and remove the apps from there.

Here's how to boot the Galaxy S9 in Safe Mode:

  • press and hold the Power button.
  • now tap and hold the "power off" icon.
  • the "power off" icon will be changed to "safe mode".
  • tap once the "Safe Mode" option and the Galaxy S9 will reboot.
  • when the boot is done you can see the "safe mode" text shown by your device.

Try to remove the apps you think are making your device malfunction. After you're done removing an app you need to reboot the device and test it to see if the problems have been fixed. In case the IMS Service still crashes after you're done with this tutorial, then you have to try the next method below.

Clear Messages app cache and app data:

The IMS Service is mostly used by the Messages/ Messaging apps, so you will need to try and reset them and see if that fixes the problem. Here's how to reset the Messages app:

  • go to Settings.
  • open the "Apps" list and find the Messages app there.
  • open Messages app and then go to the Storage options of the app.
  • tap "clear cache" and confirm.
  • next, tap "clear data" and confirm process.
  • reboot the phone and then retest the Messages app.

If this doesn't fix the problems you're experiencing, then you should tell us in comments below. The next method will have you factory resetting the device, and that will clean the entire phone of all data, so you should be creating backups for all important files.

How to Factory Reset the Samsung Galaxy S9:

This last tutorial will require you to delete all the data from the system partition of your device. Before starting the factory reset process you will have to backup all the important data files.

The Factory Reset process will delete all the data from the system partition, and no installed applications will survive the process. Backup all the important files first and then you can factory reset the device and fix the IMS Service errors:

  • power off the phone.
  • boot it in Recovery Mode: press and hold Volume Up + Bixby + Power buttons at the same time.
  • release the buttons when the screen turns blue and the Android logo is shown on your device.
  • now wait 30 seconds for the Recovery Mode options to load.
  • select 'wipe data/ factory reset' option and confirm.
  • reboot the phone in normal mode and you are done with this tutorial.

These were all the steps that you had to go over in order to try and fix the Galaxy S9 IMS Service bugs. In case the issue is still there after you've wiped your phone's system partition, then you will have to take your device to a smartphone repair service, as they are mostly better equipped with dealing with these types of errors.

If you need more help you can also tell us in comments, but make sure to list all the steps you took and all the issues your Galaxy S9 is experiencing, so that we will be able to easily offer you a new solution.

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