"Global System for Mobile Communications". Used by phones on most carriers, but is specific to the make of phone. Most AT&T phones, for example, are GSM.

learn more… | top users | synonyms

19
votes
2answers
3k views

Can I use my device on a different carrier?

Sometimes it's desirable to use a device on a carrier that does not officially sell it. Often this is due to regional differences and travel (for example, using a US phone in Europe) but also because ...
12
votes
5answers
31k views

Can the Nexus 7 send and receive GSM texts and calls?

The Nexus 7 3G is out and I'm wondering whether Android 4.2 tablets are still data-only devices. Can I install a custom ROM or apk to this tablet so that I can send and receive GSM calls and text ...
11
votes
3answers
32k views

How to tell current frequency band?

I have a Samsung Galaxy Ace, with quad-band I believe. It is possible to see the current connection network type, e.g. UMTS, EDGE, etc, by going to Settings -> About Phone -> Status. But it does not ...