how do i unlock my ipad
how do i unlock m my ipad from metro pcs to T-mobile
Click on the link to read Apple's support article on "How to unlock your iPhone for use with a different carrier" - http://support.apple.com/HT201328 - Only some carriers offer the ability to unlock iPhone for use on any carrier. Follow the instructions in this article to unlock your iPhone.
Click on this link for 'iPhone: Wireless carrier support and features in the USA and Canada' - https://support.apple.com/HT204039 - including a list of which ones offer unlocking.