i just my as usual using my phone then i just update my iphone and i install 7.1 then how lock my phone .. there is lock my phone
i just my as usual using my phone then i just update my iphone and i install 7.1 then how lock my phone .. there is how to lock my iphone
and i using us tmobile and i will be a using by a turbo chip
iPhone 5s, iOS 7.1, please solve