1. Download attached file and copy it to your sdcard
2. Run in maintenance mode (power + middle button)
3. Update from sdcard, select the file upd_1.zip.
4. After the update completed – reboot in normal mode.

Thats all – now you have rooted ace with android 2.3.3, and superuser in your apps.

http://dl.dropbox.com/u/25227574/upd_1.zip

ใช้งานได้จริงครับ ทดสอบมาแล้วผ่านฉลุย ตอนนี้ผมใช้ S5830XXKPB รอมยุโรป