The carrier may not have activated the SIM ... What does 'SIM locked' mean on iPhone? A ‘SIM locked’ message tells you the SIM card, itself, is locked. More specifically, it means you likely ...

It's a necessary step in changing carriers that you might not even know about until you insert that shiny new SIM card into your iPhone ... to be confused with the lock screen that asks for ...

If the contract period is over, the phone may be unlocked by entering a code from the carrier. Apple's iPhone brought the SIM lock into public view because of its original exclusivity in the U.S ...

You may find that you need to check the cellular service carrier of your iPhone, especially if you are planning to follow carrier requirements to unlock it ... doesn't have a SIM card, you won ...

Although there are several types of "locks" that can apply to a phone, the most talked-about type is a carrier lock, also known as a SIM lock or subsidy lock. Many phones sold by carriers come ...

Depending on where you buy it, your Android phone may be unlocked and can support SIM cards from any carrier, or it could be carrier-locked and require specific SIM cards. While it’s not always ...

Your network carrier identifies you via your SIM (Subscriber Identity ... such as Android and iPhone. As previously mentioned, three incorrect PIN attempts will lock your SIM, requiring a PUK ...

GSM phones can be "locked", that is made to accept only SIM cards belonging to a specific network. Typically, this is done so that phones will work only on the network of the carrier. SIM-locked ...