If you phone in use strange words, you can enter safe mode to try oh
into safe mode method: reboot -> Long press the volume key Samsung's pattern appears
after entering the phone is switched on will appear in the lower left corner "Safe Mode the words "
at this time, you can use the phone and see what the problem is not a
purpose: to test the phone without any interference of APP other functions are normal ...... please self-testing other uses Hello
Alert: Safe Mode Only the original phone functions can be used with the APP, the other from the Play Store, to download ... and so the APP is totally can not use Oh will not leave the security mode method: reboot it