Dislaimer: We Shall not be liable for any resulting damage to your phone! Everything you do is at your own risk, please proceed with extra precautions!
Download via samfimrware.com link
Android 2.3.4 GingerBreadPassword: samfirmware.com
ODIN Flasher Version: ODIN Multi Downloader v4.38
(Back up all of your important files stored at the phone before proceeding, although this is a single pack and NO WIPE will occur, but just in-case if problems may happen)
Samsung Galaxy Fit S5670 flashing procedure using ODIN.
1) Turn off your Samsung Galaxy Fit
2) Remove your SIM Card and SD Card, just to avoid any issues
3) Extract the previously downloaded S5670XWKQ2 firmware packaged.
4) Run ODIN 4.38.exe on your PC
5) Click the OPS button then select BENI_v1.0.ops from extracted archive and load it.
6) Tick on the One Packaged checkbox, Auto Reboot and Protect OPS were also remain checked.
7) Click on the One Packaged button then load S5670XWKQ2.tar file.
8.Turn Off your Samsung Galaxy Fit, then reboot it into download mode by pressing POWER+VOLUME DOWN+OK Button simultaneously. Then Connect the device via USB into PC. On ODIN's COM Port Mapping will highlight into yellow color when the device is already detected.
9) If all is set and ready: Press "Start" button and wait until the process completes.