Format - Unlock - Hard reset SPV C500 - C600 (Qtek 8010)

Sometimes SPV C500 or C600 can be blocked without reason and for his release can use a little trick:

1.Turn off the phone
2. Keeps simultaneously hold buttons 1 and 2
3. Press and hold power button for around 1 to 1.5 seconds
4. Follow the next instructions


Memory phone will be erased entirely. Phonebook will not be affected.