Just free download AnyUnlock to unlock SIM card in simple clicks. No need to get PUK code or call customer service. And just in 5 minutes, you canunlock your SIM cardon iPhone successfully. Most importantly, it supports all network carrier, like Vodafone, AT&T, Tracfone, Cricket, etc. Free...
Some carriers don't permit a SIM to be activated a second time. When you terminate the account, that SIM is no longer valid, and you need to buy a new one to reactivate your phone. Other companies offer a grace period after you deactivate the phone. With Total Wireless, for example, ...