- 1). Turn your cell phone off and make sure it shuts down completely. Find the battery and remove it from your phone. The battery is normally located in the back of a cell phone. Let the phone sit without the battery in it for anywhere between two and 10 minutes before you put it back in.
- 2). Place the cell phone battery back into the cell phone and turn the phone on. Check your phone to see if this has reset the lock function.
- 3). Use your cell phone's user manual as a reference. Look up information on "Locked phone," "Unlocking phone" and "Troubleshooting phone." The user manual will contain tips on how to unlock your phone.
- 4). Contact your service provider and request that it unlock your phone. The service provider will require proof that you are a customer. If you contact the provider via phone you will need to provide your name and address. If you go in person you will need identification.
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