I am a current ATT customer for years with 4 lines and plan to stay one - but I need to replace 1 line's phone and buy a new iPhone and want the flexibility to move to Verizon in the future if needed. I have always bought my phones at ATT store. 2 questions - 1) If I buy an Iphone 8 at ATT store now, will I be able to use on the Verizon network in the future? 2) If I instead buy the iPhone 8 at Apple Store, does that give me greater flexibility to move to Verizon if needed, and does it cost me any more to get the line added on ATT account?
Yes, you can use an ATT iPhone on Verizon but you may not have full compatibility with Verizon’s network. Apple made two versions of the iPhone 8. The phone will work on Verizon’s LTE network but the ATT version does not have any CDMA radios. Verizon is in the process of shutting down their CDMA network but there may yet be areas on Verizon’s network that only have CDMA coverage. Buying the sim free unlocked version directly from Apple will get you a phone fully compatible with LTE and CDMA. Buying a sim free phone from Apple also allows you to avoid ATT’s $30 upgrade fee. Just move the SIM card from the phone you are replacing.
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