Reminder! Before servicing the phone, please make sure that:
- Battery charged more than 50%
- All the side programs, that may interfere with the phone, are closed
- The phone cable will not be disconnected till the process is done
- Connect phone to USB port placed on the back side of PC (motherboard's USB port).
- Avoid using any kind of USB HUBS.
- Phone has stock (factory) firmware version.