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When unlocking an old phone, the process depends entirely on whether you need a network unlock (to switch cellular carriers) or a passcode unlock (to bypass a forgotten lock screen).

Here is everything you need to know to get your old device up and running. Network Unlocking (Switching Carriers)

A network unlock allows you to take your phone to a new service provider or use local SIM cards while traveling.

The Free Method: According to the Federal Communications Commission, major wireless providers must unlock your phone free of charge once it is fully paid off. You simply call your original carrier, provide your account details, and ask them to release the device.

Testing the Lock: To see if your phone is already unrestricted, swap your current SIM card with a SIM card from a completely different network. If the new carrier’s name appears and you can make a call, the device is unlocked.

Finding your IMEI: Your carrier will request your phone’s unique 15-digit IMEI number. You can quickly find this by typing *#06# into the phone’s keypad.

Third-Party Services: If you can no longer contact the original carrier, third-party online unlocking sites can generate an unlock code for a fee, which typically varies depending on your phone model and original network. Passcode Unlocking (Forgotten Screen Locks)

If you are locked out of an old device due to a forgotten PIN, pattern, or password, you have a few extraction paths.

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