Phone theft is bad enough, but criminals are now targeting SIM cards to access sensitive information, including bank ...
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How to lock your SIM on AndroidThis is different from a cellphone being carrier-locked, which means a phone can only use SIM cards from a certain carrier. The lock is a PIN, which must be entered each time the phone is turned ...
[Jason Gin] wanted to reuse the SIM card that came with a ZTE WF721 wireless ... Unfortunately, the terminal has no function to change the PIN and none of the defaults he tried seemed to work.
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