[HELP] not working on stock recovery
this morning i'll try to format my gran quattro, by stock recovery. but when I will select the option to wipe data/factory reset, it doesn't do nothing!!
when I clicked vol- to select an option, nothing happens, it stay in the first option (reboot system now) and nothing more :/
I use it normally, no root, no CWM, nothing. please help me. and sorry for my bad english!