

Type in the code you have received from the carrier.


If you see the invalid SIM card error message, you can easily fix it by contacting your previous service provider and getting an 8-16 digit code to unlock the SIM. Here are the three simple methods on how to unlock network-locked SIM cards. To add to it, our step-to-step guide will make this whole process much more accessible and trouble-free for you. Getting rid of the locked SIM card inserted error on your device doesn’t need a lot of technical knowledge and is not as complicated as most users think of it. Some of the reasons leading to the locked SIM card error are as follows:įixing the Network Locked SIM Card Inserted Error Why Do I See Locked SIM Card Inserted Error Step #2: Connect Your Device to the Computer.Step #1: Install Android SIM Unlock Software.Step #3: Provide the Device Information.Step #2: Enable USB Debugging and Select Repair Now.Step #1: Install a Firmware Repair Tool.Method #2: Repairing the Phone Firmware.Fixing the Network Locked SIM Card Inserted Error.Why Do I See Locked SIM Card Inserted Error.
