  Device must be rooted!
If the software can't root the device automatically, 
then you must root your device manually.
1. Power on the device.
2. Go to "Settings" and enable "USB debugging".
3. Connect the device to PC, install drivers if needed.
4. Select device in SDB settings.
5. Press "Read EFS" button to read backup or "Write EFS" to restore.
6. Press "Write CERT" to restore certificates.