| No need to root the phone. On this model, don't matter the android version on the phone or the firmware version.
You get that error because there is a problem with the phone communication (usualy wrong/bad cable) or the phone Diag config.
To solve the phone diag config problem:
1.Type *#7284# on the phone, select UART-Modem and USB-PDA
2.Type *#9090# on the phone and select UART
3.Reboot the phone
Connect the phone to NsPro S7070 RJ45 cable
Unlock the phone using latest NsPro version |