Sony Ericsson mobile phones are awesome, at least to me. I have been using SE K550i since 2007 and its performance is great. Although the camera is not up to the mark as the Cyber-shot name would suggest, the camera can be upgraded. The same goes for the sound quality of the media player. This tutorial is intended for flashing a SE K550i (DB2020, CID53) into a W610 (DB2020, CID53), which will give you a Cyber-shot phone with upgraded camera driver and a Walkman 2.0 player.