Model : Vodafone 715/716/810
1 - Switch ON your phone with a non Vodafone SIM Card inserted,
2 - Phone shows "5 attempts remaining",
3 - Press the left soft key displaying NCK,
4 - You can now enter the Unlock Code,
5 - After this the phone will reboot & is unlocked.
WARNING : If one of theses messages appear :
- "All attempts used"
- "0 Attempts remaining"
It's because you or somebody already enter too many wrong codes, in this case there is no way to direct unlock this phone at present!