OTA update to enable Wi-Fi calling on T-Mobile G2
Upgrade brings Wi-Fi calling to the T-Mobile G2
If you just checked your G2 and can't find the OTA upgrade, don't panic. It appears that T-Mobile has just started rolling it out and with the new features coming to the carrier's first HSPA+ enabled phone, it sure seems worth the wait.
T-Mobile G2 Specifications
source: AndroidCentral
Things that are NOT allowed: