Android 7.0 Rollback to 6.0

MarcinP

robsit replied at 2017-2-5 02:27
Edited by robsit at 2017-2-5 02:31 \n\n
I did the same, second sim card is disabled, no network. Th ...

Hi
Maybe you lose IMEI numbers.
Please go to settings - about phone - status - IMEI informations. If you have only 1s or 2s you need restore your IMEI numbers.
To do this you need use SN writer and follow this thread
http://community.umidigi.com/thread-1375-1-1.html

robsit

MarcinP replied at 2017-2-5 21:08
Hi
Maybe you lose IMEI numbers.
Please go to settings - about phone - status - IMEI information ...

Now, on 7.0 both are present (*#06#)

MarcinP

robsit replied at 2017-2-6 03:45
Now, on 7.0 both are present (*#06#)

Did you try swap sim cards. Maybe is something wrong with sim card. Or maybe something happened with slot. Did you try switch on sim card in settings?
Sometimes you need reboot your phone to reactivate sim card /slot