S5360 Galaxy Young Firmware and Tool

Tool: S5360_Downloader
Firmware: S5360DXLF2_OLBLG1_THL_Thailand_Android_2.3.6.zip

How to root Xperia Arc/S, ICS 4.0.4

http://forum.xda-developers.com/showthread.php?t=1683957

SHW M240S Firmware

Tool: M240S_Odin_Multi
Firmware: M240S 2.3.4 Firmware