how to unlock sim on your ipad
instructions on unlocking and locking sim on an ipad
Apple Event: May 7th at 7 am PT
instructions on unlocking and locking sim on an ipad
iPads are not locked to a carrier, if that's what you mean. If you're referring to a SIM set up with a PIN/PUK, see:
http://support.apple.com/kb/HT1316
Regards.
how to unlock sim on your ipad