How do I unlock this LG Android Verizon phone to use my AT&T sim?

hallux

Q&A Team
Jul 7, 2013
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Welcome.

Verizon is required to sell its phones as unlocked. The next challenge, though, is that a Verizon-branded device MAY not carry the radios needed to connect to all AT&T services. While it may work on data, it may not have the right radio for AT&T voice service.
 

Harvey Deven

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Nov 6, 2017
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You will probably not be able to use your Verizon phone with the ATT network. Even if the device is unlocked. Because Verizon uses CDMA technology, whereas ATT uses GSM. Before switching or paying any service (unlocking service or not) I advise you check with att if they accept it and if the device will work with it.