Sony Ericsson C901 is not a new phone, it's a very famous sony ericsson 5Mp camera phone. they recently launched it's newest version as Sony Ericsson C901 GreenHeart. even the features are same, the appearance is different from C901. this new phone is also a 3G phone which supports HSDPA. unlike previous phone Sony Ericsson C901 GreenHeart has an Accelerometer sensor.
the internal memory is 120Mb and it allows up to 8GB memory cards. like previous C901, C901 GreenHeart has 5mp camera. the maximum picture resolution is 2592 x 1944 pixels. the camera has high quality xenon flash which allows to get quality pictures. also the camera application has Geo-tagging , face and smile detection, smart contrast and red-eye reduction features.
unfortunately C901 GreenHeart doesn't have a secondary camera and video calls are not available. also GPS is not available in this phone but it comes with pre-installed Google maps application.
the reason for name this phone as GreenHeart is this phone is a eco-friendly phone. it made with eco-friendly materials and has special application and sensor to calculate CO2 precentage of the air.