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 ...

[Jason Gin] wanted to reuse the SIM card that came with a ZTE WF721 wireless terminal he got from AT&T, but as he expected, it was locked to the device. Unfortunately, the terminal has no func… ...

Unlock your iPhone 4 effortlessly using just a SIM card, simplifying access to different carriers.

A new hardware-based iPhone 4 hack unlocks devices running everything up to and including iOS 4.3, though it carries a $70 price tag and a couple of headache-inducing attached strings.

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 ...

Why is it difficult to unlock phones or smart watches? Mobile phones, smart watches, and SIM cards often come with several codes, such as PIN, PUK, restriction codes, and security codes. These codes ...

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 ...

Using foreign SIM cards is the cheapest and most hassle-free solution. In order to use a foreign SIM card in your phone, you'll need to get your phone "unlocked" by your mobile carrier.