To unlock and use the phone, you must access its original Apple Account username and password. Instructions ... Select Erase ...

Rest assured, any claims of a universal unlock code ... Using Safe Mode to unlock an Android phone’s password set by the device’s default security system does not work. Safe Mode is intended ...

Military personnel exclusions for unlocking a T-Mobile phone Regardless of the type of phone you have, if you're an active military personnel you can have your phone unlocked at any time as long ...