If you enter a wrong sim pin three times, your sim card will be locked, and to unlock your sim, you need a pin unlock key (PUK). You must enter this pin to use your phone, as it prevents unauthorized use of your sim card. Some people like to use the sim card security feature known as a SIM PIN. Go through all the cases first before you seek for the solutions. You may need to know how to unlock a locked SIM card or how to unlock network locked SIM card. Part 3: Get Help from Your Carrier to Unlock Network Locked SIM Cardīonus: Unlock Any Screen Locks on Android DevicesĬheck the following situations to decide which methods should you use to unlock SIM card.
