1 – Switch ON your phone with a not Accepted SIM Card,
2 – Enter the Unlock Code we send to you.

OR 

1. Insert Non Vodafone SIM into the handset and power on.
2. The display will show Enter Network Unlock Code.
3. Enter **00012* then 47369761 followed by #, then press the centre menu key.
4. The display will now show Done.
5. Switch the phone off and on. The phone will now be unlocked

TS803 :

1. Insert Non Vodafone SIM into the handset and power on.
2. The display will show SIM Error. This SIM card cannot be used
3. Press the centre menu key for 3-4 seconds. The display will show Enter Code
4. Enter unlock code

5. The handset will then reboot itself. Once completed, the handset will be unlocked