Mobile ODIN is the on-device firmware flasher of choice.
Just throw those firmware files on your (internal or external) SD card,
start Mobile ODIN and flash away.
Download:
Mobile ODIN FlashKernel v2.0 GT-S5570 (Mini)
http://www.mediafire.com/?b1tmbmpje3ny9lq
Mobile ODIN FlashKernel v2.0 GT-S5660 (Gio)
http://www.mediafire.com/?fagvexcrefqunpi
Mobile ODIN FlashKernel v2.0 GT-S5830 (Ace)
http://www.mediafire.com/?selt3i8krc49tsc
Mobile ODIN Pro v3.57
http://www.mediafire.com/?0xnc9iifmbjxu3w
Cara Flashing (One Package):
1. install kedua apk diatas
2. buka Mobile ODIN Lite
3. tap “Open file …”
4. pilih file firmwarenya ( .tar / .tar.md5 )
5. tap “Flash Firmware”
6. tunggu sampai proses slesai
NOTE:
Jangan coba upgrade dari froyo ke GB atau sebaliknya dgn app ini
USE AT YOUR OWN RISK!
Mobile ODIN Thread
http://forum.xda-developers.com/showthread.php?t=1347899
ขอบคุณครับ ไม่เห็นขอบคุณกันบ้างเลย