


Your previous network provider might have locked your device to their network.Īnother possible reason is that your contract with your previous network service provider for a certain period of time has ended abruptly and thus your phone asks for a SIM network unlock PIN.

The main reason why you’re seeing this notice is because your phone is network locked to the original network carrier and therefore cannot be used with any other SIM cards until it gets network unlocked. Why does your phone ask for a SIM network unlock PIN? This is often seen in second-hand or repo units. The SIM network unlock PIN simply denotes that your device is asking you to enter an unlock code to access the network system and services.
