Your carrier may have a compatibility checker web page where you can see if your phone is compatible with the network. It’s likely that your phone is CDMA-only and won’t accept a GSM SIM card. It’s also an anti-theft provision that allows you to identify and block your phone if it is lost or stolen. The SIM card might be invalid because the phone is older and uses the wrong wireless connectivity technology. It allows you to obtain your unlock code. Make sure you have your IMEI handy when you contact the company who sold you your phone.Īn IMEI is your phone’s ‘identity card’. Ask this provider’s customer service team for an unlock code and instructions for unlocking your phone. Answered View the answer I have this problem too Subscribed to new answers. Have you tried changing your SIM card to see if it would help or testing the SIM in. Only the provider who sold you your phone (and who locked it) can unlock it for you. How can I break my Sim card for my LG tribute phone asked for a pin got the pin wrong now my Sim card says invalid need to fix ASAP how do i break the Sim card and restore it to its original format. I have been getting Invalid SIM errors on my phone all of a sudden. If your phone is locked, ask the mobile provider who supplied your phone to help you unlock itīecause Fizz is not the company that locked your phone, we cannot unlock it. If you bought your phone from a Canadian provider after December 1, 2017, it is unlocked by default. Hello, I have a new galaxy s5 neo, supposedly unlocked, but when I put a sim card (network locked SIM card inserted) and asks for a 'SIM network unlock PIN'.

Follow the instructions below to unlock it. Discussion in Android Help started by aripod, Jul 9, 2016. Your phone is locked if it asks you for a SIM unlock code. Your phone is unlocked if it connects to the network or asks you for a PIN code to unlock the SIM card. Insert your Fizz SIM card (activated or not activated) into your phone. Check if your phone is locked and find its IMEI If you bought your phone from another mobile provider and want to use it on the Fizz network, you need to make sure your phone is unlocked.

Invalid sim card