I think my lenova A2109A-F HAS BEEN CORRUPTED I have a screen with the andoid icon on its back with an exclamation mark by its tummy door and boot system diaologue as follow android system recovery vol up/down to highlight enter button select then options reboot system now apply update from ext storage apply update from adb wipe data factory reset wipe cache partition TRIED THE OPTIONS CYCLES BACK TO THE SAME SCREEN?HELP IDEAS PLEASE
