Finally.. i flash my SPICA (i5700) to i570exxjd1 (firmware) ..
the cell is pretty okay now.. and have notice some speed improvement too compared to 1.5
As of now i facing two issues
1) How do i get LIVE Wallpaper .. its not showing under wallpaper option
2) In "add accounts" i m unable to add facebook a/c
Please help... or let me if i shud flash any other better firmware
Here is the screenshot