My I9505 is showing unknown baseband version and null IMEI, and it is not detecting sim card.
My phone was working fine (i.e. showing IMEI and baseband version were good) on Android 4.4.2 Kitkat. I manually updated it to Lollipop 5.0.1 using firmware named I9505XXUHOB7_I9505BTUHOB4_BTU.
I did this using Odin 3.09 only checked Auto Reboot and F. Reset Time. Everything went fine and device booted with Lollipop and then this problem of unknown baseband version and null imei happened.
I searched on the internet and i think it is because of corrupt EFS. Can someone guide me thoroughly on restoring EFS.
My phone was working fine (i.e. showing IMEI and baseband version were good) on Android 4.4.2 Kitkat. I manually updated it to Lollipop 5.0.1 using firmware named I9505XXUHOB7_I9505BTUHOB4_BTU.
I did this using Odin 3.09 only checked Auto Reboot and F. Reset Time. Everything went fine and device booted with Lollipop and then this problem of unknown baseband version and null imei happened.
I searched on the internet and i think it is because of corrupt EFS. Can someone guide me thoroughly on restoring EFS.
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