Generic Unlocking code entry method (Sitronics SM-6190)
1. Insert a SIM card not from the current network. IE the phone is not locked to.
2. Turn the phone on
3. If prompted, enter the PIN number of the SIM card. (Assuming one has been setup)
4. The phone should then prompt you for an unlocking code. (Or something very similar)
5. Enter the unlocking code.
(But please check this before ordering!)
Please note
At this time we don't currently have any specific information on how to unlock the
Sitronics SM-6190 model , please accept our apologies, we are adding to our help and information sections all the time.