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What should I do for my new Huawei Mate 20?
I used Huawei Mate 8 with AT&T sim card last year, it didn't get LTE but only "H+", and now I will change my phone to Huawei Mate 20.
What should I do additionally to make the best use of this phone with AT&T sim card (for example, get LTE speed)? Do I need to go to AT&T store again to adjust something? Or can I just plug in the sim card to my new phone?
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ATTHelp
Community Support
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225.5K Messages
5 years ago
Hello @yesluck
It's always exciting to upgrade to a shiny new device, We can help you with that!
To make sure that your new cellphone is compatible with the AT&T network, you can access our AT&T Bring Your Own Phone (BYOP) and provide more information including the IMEI number associated with the device for further assistance.
We hope this information helps.
Dwight, AT&T Community Specialist
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