Flashing custom ROM kills EFS

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I have problem with flashing, bought sgs2 today, wanted to make flash custom rom, phone is rooted with Doomlord exploit and there is cf root kernel flashed for cwm access (flashed via odin mobile), no simlock

When I flash any custom rom, phone apk keeps crashing, there is no cellular network and no IMEI in About the Phone section. I have tried restoring IMEI with EFS pro but after reboot its the same problem. I have EFS backup and nandroid backup.

What is wrong, I have two other phones, sgs2 and note, I didn't have those problems before, what is wrong this time? Any help will be great for me, I would appreciate ideas.

Is your phone plugged in to the wall charger or a USB port.
I used a custom ROM that would not allow me to reboot plugged in. Same problems as you.
When I reboot unplugged, service returns.
Sent from my GT-I9100 using xda premium

I'm aware of this problem, happend to me before, but unplugging doesn't help in that case. When I delete nv_data.bin and nv_data.bin.md5 it helps instantly but returns after reboot.

I have nv_data.bak in this folder and its some old file, like 2010 old, should I deleted it or something?

solved with wipe, which gave me random IMEI then restored right one with EFS Pro (thanks a lot for Dev Team of that app)

I keep reading about people loosing their ime after a flash but never bothered to remember if the flash was via CWM or Odin.

This might already have been investigated and I've missed it but it would be nice to know if anyone has lost their ime using Odin or if it's only through CWM.

This looks like it's happening more and more so it would be good to find out the cause.

Sent from my GT-I9100 using XDA App

This happened me yesterday, glad you managed to fix it, I didn't have a backup but thankfully there is a market app called GSII-repair and it can restore imei without a backup, hope this helps someone

Sent from my GT-I9100 using xda premium

Originally Posted by eamon0989

This happened me yesterday, glad you managed to fix it, I didn't have a backup but thankfully there is a market app called GSII-repair and it can restore imei without a backup, hope this helps someone

Sent from my GT-I9100 using xda premium

i cant find this app you talking about..what is the exact name or dev?

Originally Posted by dzel

i cant find this app you talking about..what is the exact name or dev?

Google finds it
http://www.androidapps-home.com/gsii...d-2555711.html


jje