Originally Posted by Ratata82
IMEI null/null comes from modem failure. It is not because your EFS is wiped, if your EFS was wiped, then you would get a generic IMEI number 0044.....
But try to go to recovery, do you get "failed to mount /EFS"
But your IMEI null/null could also be a hw failure...
But I would try to flash a 4 part 4.4.2 firmware
Remember to backup your EFS, it is not corrupted...
i did a mount /EFS from recovery but no msg "failed to mount /EFS" no thing,
i think my EFS is corrupted or wiped !! how to verify that ?? thanks