To fill out the form, just go to AT&T’s unlock page and follow the instructions. Once you’re done, you’ll get an email with a link you have to click to complete the request. The instructions are a little different depending on the kind of phone you have. But you’ll probably need the SIM card from your new phone carrier to finish the process. Cell phones use either CDMA or GSM technology. AT&T uses GSM and so does T-Mobile. But if you’re hoping to switch to a provider like Verizon, Verizon uses CDMA technology, so you’ll have to check if your device will work with those networks first. Check your phone’s compatibility
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Okay, the apps aren’t always shady, but jailbreaking does give you access to apps you wouldn’t find in your phone’s authorized app store. It also disables a lot of your phone’s security features, so we don’t really recommend it.
