Solved! I reached safe mode but got a pop up that reads System UI has stopped close app

Did you do a full reset or a partial? A partial is to try and keep your personal stuff on the device. If you did that one, it really doesn't reset it enough to fix any system problems. Only a full "Hard Reset" would do that.

Now that popup, it happens, you an just close it. It will likely show up a few times and then finally stop. If you can access everything then you can use it as normal. If, however, the device is still giving you problems, I would suggest taking all your personal stuff off of it and saving it to a google account or computer, then do the "Hard Reset" to completely reset the device.

NOTE: Doing this will clear 'all' the data on your phone, so it is suggested you not choose this option unless you have to, or aren't worried about losing anything on the device.

Be sure you back up any data you want to keep, to a computer or cloud account, before doing the reset.


To "Hard Reset" the phone...

1. Make sure that the phone is actually powered off.

2. Remove your SD card, if there is one in the device.

3. Press the "Power" and the "Volume Up" buttons, together, until you see the start-up logo on the screen.

4. Once you can see the logo, release the buttons and allow the device to enter the "System Recovery Mode".

5. Next use "Volume Down" button to get to the "wipe data/factory reset" option.

6. When in recovery mode the "Volume Up" and "Volume Down" buttons are how to can navigate and highlight what option you need.

7. Once you have selected the "wipe data/factory reset", press the "Power" button to select that option.

8. On the following screen, repeatedly press the "Volume Down" button until the "Yes - delete all user data" option is what is selected.

9. Then press the "Power" button to hard reset the phone.

10. If you took your SD card out in step 2, when the device is up and running again, reinsert the SD card.
 
Did you do a full reset or a partial? A partial is to try and keep your personal stuff on the device. If you did that one, it really doesn't reset it enough to fix any system problems. Only a full "Hard Reset" would do that.

Now that popup, it happens, you an just close it. It will likely show up a few times and then finally stop. If you can access everything then you can use it as normal. If, however, the device is still giving you problems, I would suggest taking all your personal stuff off of it and saving it to a google account or computer, then do the "Hard Reset" to completely reset the device.

NOTE: Doing this will clear 'all' the data on your phone, so it is suggested you not choose this option unless you have to, or aren't worried about losing anything on the device.

Be sure you back up any data you want to keep, to a computer or cloud account, before doing the reset.


To "Hard Reset" the phone...

1. Make sure that the phone is actually powered off.

2. Remove your SD card, if there is one in the device.

3. Press the "Power" and the "Volume Up" buttons, together, until you see the start-up logo on the screen.

4. Once you can see the logo, release the buttons and allow the device to enter the "System Recovery Mode".

5. Next use "Volume Down" button to get to the "wipe data/factory reset" option.

6. When in recovery mode the "Volume Up" and "Volume Down" buttons are how to can navigate and highlight what option you need.

7. Once you have selected the "wipe data/factory reset", press the "Power" button to select that option.

8. On the following screen, repeatedly press the "Volume Down" button until the "Yes - delete all user data" option is what is selected.

9. Then press the "Power" button to hard reset the phone.

10. If you took your SD card out in step 2, when the device is up and running again, reinsert the SD card.
 
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