How to Update/Upgrade Galaxy Fit S5670 to Android 2.3.4 Gingerbrd ZCKP7 ASIA-China Firmware

This is the step by step procedure on how to manually flash and install the latest Android 2.3.4 Gingerbrd firmware update for Galaxy Fit S5670. This firmware version with a build of S5670ZCKP7 witch CSC file S5670ODDKA3 which is only for Chinese version of Galaxy Fit. This firmware packaged is an official relse from Kies server over China regions of Galaxy Fit