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Instead of tapping out your PIN code on the way-too-small number pad, here's how you can use your iPhone to unlock your watch. Jason Cipriani Contributing Writer, ZDNet Jason Cipriani is based out of ...

Learn how to check if your phone is unlocked and, if it isn't, how you go about making an unlock request with AT&T, Sprint, T-Mobile and Verizon. Matt Elliott Senior Editor Matt Elliott is a senior ...

What's safer? Using a numeric PIN code to unlock your Android smartphone or relying on a finger squiggle? Newly-released research suggests that, at least when someone close by could be looking over ...