I've got the solution! Reinstall your firmware using odin with PC while your phone is at download mode. If you'r samsung user, you can find your phone's firmware at sammobile.com , If others , google for it.
I've got the solution!
Reinstall your firmware using Odin with PC while your android in download mode.
If you'r samsung user, you can get your samsung android firmware at sammobile.com ,
If others, search it at google for your phone's firmware.