unlocking an iphone 4s
Have an old iphone 4s that has no current carrier. Took it overseas and tried to buy a sim card for local use but told it was locked. Not sure from Apple website how to unlock it.
iPhone 4S
If it is Carrier locked
How to unlock your iPhone for use with a different carrier - Apple Support
If it is Disabled
Click->If you forgot the passcode for your iPhone, iPad, or iPod touch, or your ...
Click->If you forgot the answers to your Apple ID security questions - Apple ...