Unlocking your LG phone will let you use it on any network.
The LG CG225 is a flip-top phone that is sold by the AT&T network and is small enough to fit into your pocket. If you bought the phone with a contract then it came locked. This means you will not be able to use a SIM (subscriber identity module) card from a different mobile carrier with it. If you want to switch to another service provider, you will need to get the phone unlocked.
Instructions
1. Get your IMEI number by typing in "*#06#." Write down the number that appears on your screen.
2. Call your AT&T customer service number. If you are using your LG phone dial 611. If you are using another phone, dial 1-800-331-0500. Ask the representative for an unlock code. You will probably have to provide information such as your name, IMEI number and account details. Most companies install locking software in their phones to prevent you from switching to another carrier, so the representative might not give you the code. If not, you will need to buy one.
3. Buy an unlock code from an online unlock service (see Resources). As of 2010, these cost about $25 per code. Once you have provided your payment details, the code will be sent to you via email.
4. Open up your email and retrieve the code. Write it down exactly as you see it.
5. Remove the battery and SIM card from your LG phone. Replace it with a SIM card from another carrier and turn the phone back on. You will get a message that says "Enter Subsidy Code."
6. Type in your unlock code and click the "OK" button. The phone will beep, blink and restart. Once it comes back on, you will see the new service provider's logo at the top of the screen. Your LG phone is now unlocked.
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