Hi. Is this a:
- A SIM PIN - then phone your carrier's support center and ask for your PUK after entering 3 wrong PINS to block it
- Screenlock PIN - then see: http://www.satechhelp.co.za/4971/Common-Hard-Reset-Steps-Android-Powered-Devices
- Or a Vodafone Protect PIN - then: http://www.satechhelp.co.za/4644/Reset-Vodafone-Protect-Pin-Online-South-Africa