T-Mobile G1 may be the world's famous phone which runs google Android OS. it was very popular and success phone. in year 2009 July they released T-Mobile G2 Touch, it's the next generation of T-Mobile G1. T-Mobile G2 Touch has many new modifications, but it's appearance is almost similar to previous phone. also it runs with the 1.5 version of Android OS.
G2 is also a 3G phone which supports HSDPA. it has 3.2 inch capacitive touchscreen which supports Multi-touch input method. unlike previous phone G2 has a trackball. also it has an Accelerometer sensor and Handwriting recognition feature. The processor of T-Mobile G2 is powerful than previous one, it's a 524MHz processor and has a 256MB RAM. the internal memory of this phone is 512MB and it supports up to 16GB memory cards.
T-Mobile G2 has 3.5mm audio jack and mini USB port. it also allow to connect to internet via wi-fi or bluetooth. G2 has very smart camera, which is 5Mp one. the maximum resolution is 2592 x 1944 pixels. it also supports video recording. T-Mobile G2 has a GPS receiver with A-GPS support. it has a digital compass as another navigation feature.