My n7is now at twrp recory..when i was about to install a custom rom from goo manager i noticed that i dont have any stored files including the system files..even the backed up in the restore section is gone,,..im reluctant the turn my n7 off bec im afraid that it wont no longer boot..right nw its in idle mode in twrp recovery..can someone help me??im thingking of flashing the 4.3 jellybean,,???