An access point name (APN) on mobile phones connects to the gateway between the carrier’s network and the Internet. The APN finds the IP address that identifies the device on the network, determines whether a private network is needed, chooses the appropriate security settings, and more.
What is an APN: and how to set it up for iPhone and Android
The APN for T-Mobile is fast.tmobile.com for 4G LTE devices. An older one is wap.voicestream.com and the T-Mobile Sidekick APN is hiptop.voicestream.com. The APN name for AT&T smartphones is NXTGENPHONE, modems and netbooks is isp.cingular, for all smartwatches it is Phone and for AT&T all tablets and mobile broadband it is broadband. The APN for Verizon is vzwinternet for internet connections and vzwims for texting.
APN settings typically contain several specific configuration nodes:
Normally APN is automatically configured or detected for your phone or tablet. This means that you do not need to make any changes to the APN settings.
