T-Mobile will push out a major firmware update to users of the G1 Android handset in April, the mobile operator has said.

The update will introduce features such as virtual keyboards and stereo Bluetooth support, as well as an upgrade of the underlying Linux kernel. A number of bugs in the Android operating system will also be fixed. The browser enhancements include upgrades to the latest version of the Webkit core and the addition of cut-and-paste. The browser is also getting support for th...