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If you can't find your make and model on there, you'll need to upgrade your device to one that's on the list or purchase a phone we currently offer. The only compatible model for the Samsung Galaxy S8+ is ( G955U* ) If there's a asterisk sign next to the model number then you'll need to make sure it has the latest software version but it's always recommended to do so on every device to make sure you have the latest features and device protection options. It’s important to check the model numbers next to your device to make sure it’s still supported since the 3G network shutdown. There's is a list that will provide you with all devices that will still be supported on AT&T's upgraded network.
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Let's get your calling feature working again, Humaidi89!ĪT&T has recently improved the network to better accommodate next generation technologies and services by shutting down the 3G network.
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