I recently arrived in the US, and I'll stay here for a year or so. I purchased an AT&T sim card and plan, and it works fine for calls, but I don't have internet connection. I checked, and the bands the Honor 9 (L09 variant) supports may be different than the required, but there are some that match:
The weird thing is, my home country sim card (Brazil - Vivo) works fine here, through AT&T 4G/LTE network, and I get super fast 4G connection. Even if there is a frequency/band issue, I expected to have at least 3G connection with the AT&T sim, but there is nothing.
Does anybody have any insight on waht the problem could be?
We can definitely assist you with checking on the compatibility of your cell phone with wireless service from AT&T. It’s easy to see if your device will work on the AT&T network. Please follow the directions at our link to Check device compatibility to get started. Let us know if this helps.
Sean, AT&T Community Specialist
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I checked the compatibility through the IMEI, and it says "Your device is compatible, but we are unable to find the correct SIM card. To complete your order, please call AT&T Customer Service at 800.331.0500 or find the nearest AT&T store."
Well, I already have a new sim card from AT&T, so I guess that's not relevant.
I then proceeded to test the configurations on @lizdance40 link, and everything was already almost exactly the same. After minor changes and a rebbot, still nothing.
Ninja edit before posting:
Ok, changing the apn type to just "phone" instead of nxtgenphone solved the issue. I might not get full 4G speeds, but that's fine for the moment.