Switching carriers or using a different SIM card on your iPhone doesn’t have to be complicated. If your device is SIM-locked, ...

Phones may come locked for several reasons: Carrier Subsidies: When carriers offer discounts on a device, they may lock them to ensure the customers use their network for a specified period.

Having a carrier-locked phone can make it difficult if you want to sell your phone or move carriers. Here are a few ways to ...

If Network lock says ON, then your Samsung device is network locked. If Subset lock is ON, then your Samsung device has to be unlocked and requires a code from the original carrier.