Hi all,
I was upgrading U740 firmware to the last version and the program gave me an error before restore card configuration. When I restart the firmware utility it says "Backup Needs FACTORY ID or IMEI" and stop.
Hi all,
I was upgrading U740 firmware to the last version and the program gave me an error before restore card configuration. When I restart the firmware utility it says "Backup Needs FACTORY ID or IMEI" and stop.
I tried with the older version but result is the same.