As an active or former T-Mobile customer, you may request a phone unlock.T-Mobile will unlock your phone (as long it is not reported as lost, stolen, or blocked) if: I just unlocked mine a few days ago.This only prevents Siri from being used when your phone is locked. In case you're wondering, the i OS 9.0.1 update does not include a fix for the bug.By enabling a SIM card PIN lock, every time your i Phone is powered down and subsequently switched back on again, the PIN will need to entered before the phone can be used, or text messages sent. Tap on SIM PIN and you will see a toggle to turn it on or off, and an option to change the PIN (greyed out).The same applies if anyone removes your SIM from your phone and tries to use it in a different phone. IMPORTANT: If this is the first time you've turned the lock on, you will be asked to enter the operator's default SIM card PIN.You only have three attempts to enter the PIN before the SIM card is locked, and you won't be able to make phonecalls or send texts.If you purchased a Samsung GS3 with AT&T, T-Mobile, etc.
It will give you an overview of common issues, help you distinguish between different types of phone locks, and help you choose the right unlocking solution for your mobile phone.This fifteen digit code can be retrieved by dialling *#06# into your phone. B –Sometimes the unlocking code may not be stored on our systems and we may have to contact your phone manufacturer on your behalf.This can take up to ten working days for us to receive the code back from your manufacturer.If you purchased an eligible device, the device has been programmed with a SIM Subsidy lock that will prevent the device from operating with other compatible wireless telephone carrier’s services.If you wish to use the device with the service of another wireless telephone carrier, you must enter a numeric SIM Subsidy unlock code to unlock the device.Most people use a passcode to protect their i Phone (if you don't, you should), but few enable the SIM lock.