[Samsung Galaxy Fit GT 5670] ahmetakin:
I'm afraid your battery has died.first you needed cahange your battery and download this from google

Android 2.3.6 Gingerbread [DDKT3] flash this with odin in your pc.

---------- Post added at 04:48 PM ---------- Previous post was at 04:36 PM ----------

https://docs.google.com/file/d/0BzJut_BZm8NTdXhxQ0xScjFuOUk/edit?pli=1 download from here official firmware and follow instruction below step by step good luck.

Procedure:

Step 1: After successful downloading the Firmware package given above, extract it using Winrar. You’ll find the following files inside it: S5670DDKT3_S5670ODDKT2_S5670DDKT2_HOME.tar.md5, BENI_v1.0.0ps & ODIN_v4.38.

Step 2: Now switch off your Galaxy Fit completely and enter into downloading mode.

Step 3: For Fit, downloading mode can be entered by holding ‘Home Button (middle button) + Volume down key + Power Button’ simultaneously until the download mode appears.

Step 4: Keeping your device in downloading mode connect it to your PC using USB cable.

Step 5: Open ‘Odin Multi Downloader_v4.38‘ software from the firmware package folder which you have just downloaded & extracted on your PC. As soon as you open it, the ID:COM section in it will turn yellow. If it’s not showing, then check that a proper device drivers are installed on your PC. You can install them from the Samsung Kies CD which you’ve got at the time of purchase.

Step 6: Now select the OPS tab located on the Odin Downloader and select ‘BENI_v1.0.ops’ file from the Firmware package.

Step 7: On top left side on the Odin, you’ll find One Package option. Tick that so that the One Package option at the bottom gets highlighted. So click that One Package option and select ‘S5670DDKT3_S5670ODDKT2_S5670DDKT2_HOME.tar.md5’ file located in the firmware package folder. Do not check or un-check any other option from the Odin Multi Downloader. You may refer the screenshot given below.

Step 8: After attempting everything as mentioned above,start the process by clicking on the Start button located on the Odin window. Your phone will automatically reboot itself while going through the process. Do not touch or remove the USB cable until the process completes.

Step 9: The process will last upto few minutes to complete. As soon as it completes, you’ll see that the ID:COM section on the Odin window is turned blue with the message ‘Pass’ below it. This will confirm that you have properly flashed your Galaxy Fit with 2.3.6 DDKT3 Gingerbread. You can now disconnect your device by safely removing the USB cable.

Note: If the process fails or if Odin gets stuck or in case your device gets boot loops, then close the Odin window, remove battery from your Galaxy Fit and re-insert it. Again go into downloading mode and follow the same procedure as given above.

Step 10: After successfully completing the process, boot your device into recovery mode by holding Home button (Middle button) and Power button simultaneously until the recovery mode appears.

Note: Touch will not work here in recovery mode. So all you need to do is use Volume Up and Volume Down keys for navigation and Home button (Middle button) for selection.

Step 11: On the recovery mode, navigate to the ‘Wipe data/factory reset’ option followed by the ‘Wipe Cache partition’ option & select them to clear all the data and caches from your phone memory.

Step 12: Then go back to the main menu of recovery mode and select ‘reboot system now’ option to restart your device.