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

The PIN (Personal Identification Number) enables secure SIM card and network access. It is provided with your SIM card. If the PIN code is entered wrongly three times, the phone is locked and requires ...

How to Use Your Unlock Code Once you have acquired your SIM unlock code, follow these steps: Turn off your phone and insert the new SIM card.

Once the SIM card is locked, you will need to use a separate code called a PUK code to unlock it. Your carrier can provide you with the PUK code for your SIM card.

After you obtain the unlock code, you install another network's SIM card, power on the phone and then enter the unlock code when prompted.

Buy your Samsung Galaxy S9 SIM unlock code (or S9+) Those who don’t qualify for a free SIM unlock code (or simply don’t want to deal with their service provider) have the option of buying it ...

iPads bought on a network contract may be SIM-locked to that network. Here's how to unlock the iPad - and advice on whether it's legal for you to do so ...