phone (next generation device, UTE capable) ims (automatically added APN to VoLTE-capable devices to support IP Messaging over IMS) firstnet-phone (AT&T FirstNet Device — similar to nxtgenphone) IMEI International Mobile Equipment Identifier Can be 15 or 16 digits. A 15-digit number that uniquely identifies an in

phone (next generation device, Lit capable) ims (automatically added APN to VoLTE-capable devices to support IP Messaging over IMS) lirstnet-phone (AT&T FirstNet Device — similar to nxtgenphone) IMEI International Mobile Equipment Identifier Can be 15 or 16 digits. A 15-digit number that uniquely identifies an in

phone (next generation device, Lit capable) ims (automatically added APN to VoLTE-capable devices to support IP Messaging over IMS) firstnet-phone (AT&T FirstNet Device — similar to nxtgenphone) IMEI International Mobile Equipment Identifier Can be 15 or 16 digits. A 15-digit number that uniquely identifies an in

phone (next generation device, UTE capable) ims (automatically added APN to VoLTE-capable devices to support IP Messaging over IMS) firstnet-phone (AT&T FirstNet Device — similar to nxtgenphone) IMEI International Mobile Equipment Identifier Can be 15 or 16 digits. A 15-digit number that uniquely identifies an in