Solve Samsung S9 And S9 Plus “Unfortunately System UI Has Stopped” Error Message

The new flagship smartphones of Samsung, the Galaxy S9, and S9 Plus comes with some cool specifications and a rich system UI. The whole tech world was filled with rumors and leaks about the specifications of these devices long before the official launch was done. There have been a lot of expectations for this device as the previous version of these devices were a great success. Samsung doesn’t give up on the users who believed in them and have provided some promising specifications with the device. But any highly configured devices can also get issues at some point in time. This guide will help you Solve Galaxy S9 And Galaxy S9 Plus, Unfortunately System UI Has Stopped Error Message.

Following the trend, a 5.8-inch display for Galaxy S9 and a 6.2-inch display fo S9 Plus is provided by Samsung. S9 gets a 4 GB RAM, while S9 Plus gets a better 6 GB RAM. The rear camera of both devices is also different with a dual camera setup of 2 sensors each of 12 MP on S9 Plus, while a single 12 MP sensor is provided with the S9. Both devices get the latest Qualcomm MSM8998 Snapdragon 845 SoC. An internal storage of 64 GB is available for both devices and can be expanded up to 400GB. A 3000 mAh battery for S9 and a 3500 mAh battery for S9 Plus is provided.

Solve Galaxy S9 And Galaxy S9 Plus Unfortunately System UI Has Stopped Error Message

Ways to fix Unfortunately System UI Has Stopped Error Message

A system UI error message can happen for a lot of reasons and can be something really annoying. The reason can range from a serious hardware damage to an app unable to cope up with a recent update. The solution will also vary greatly with the type of issue. If it is a hardware issue, you have no other choice but to get technical assistance. Below given are some fixes for software related issue which might be giving this error message.

Clear app cache

If you are getting the error message for a particular app, it can be an issue caused by corrupted cache files. The solution for this is clearing the cache, and the steps to do this are:

  1. Open settings
  2. Tap on App manager
  3. Find and tap on the app
  4. Tap on storage
  5. Now tap on clear cache button

Clear app data

If simply clearing cache doesn’t help you in solving the issue with the app then you can go ahead and clear the whole app data. The steps to do this are:

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  1. Open settings
  2. Tap on App manager
  3. Find and tap on the app
  4. Tap on storage
  5. Now tap on clear data button

Clear system cache

If you are facing the issue occasionally with multiple apps, then clearing individual app cache won’t help. The best thing you can try here is clearing the whole system cache. The steps to do this are:

  1. Power off the device
  2. Press and hold volume up button, Bixby button and power button
  3. When the screen with No commands message shows up tap on the screen
  4. Use volume keys to highlight wipe cache partition and use power button to select it
  5. Confirm by selecting yes option

Hard reset

If clearing the system cache doesn’t help, the next best thing you can try is performing a hard reset. Make sure you backup all important data prior to a hard reset as this will clear all data from the device. The steps to perform a hard reset are:

  1. Power off the device
  2. Press and hold volume up button, Bixby button and power button
  3. When the screen with No commands message shows up tap on the screen
  4. Use volume keys to highlight wipe data/factory reset and use power button to select it
  5. Confirm by selecting yes option

I hope this guide was useful in understanding how to solve Galaxy S9 And Galaxy S9 Plus, Unfortunately System UI Has Stopped Error Message. If any queries or feedback, please leave a comment below.

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