The firmware download process by Kies (wait until finish)
GIO will restart and the note Downloading.
Once completed the GIO will restart again.
Backup process (if that has been backing up data).
The solution when Upgrade via Kies is Stuck
If more than 5 minutes the firmware update process is still at 0% / stuck and samsung galaxy gio remain in a state ’DOWNLOAD mode “, please unplug the USB cable. remove the battery and then put it back.
Close Kies and the Updater with ALT + F4 until no longer Kies window.
Then run Kies, there will be a failed firmware update notices, and offered to do an emergency firmware recovery.
Next up are required to run Kies into recovery mode (download mode)
Make sure that the Galaxy Gio is off and there is no usb cable is attached.
Press the volume down + home + power button simultaneously
make sure it says Downloading … Gio screen.
reconnect the USB to Gio.
Press Retry to window “Emergency Firmware Recovery”
Updates will begin to take place, there will be no downloading of data. those data have been downloaded previously, and stored in the cache
Wait until the download is complete .. update done
Flashing Firmware (Offline) via Odin
Click “select ops”, choose GIO_v1.0.ops
Check One Package
Click “one package” button
Choose file Galaxy Gio S5660 Firmware S5660DXKC3 Full Pack
Unplug micro SD and turn off samsung galaxy gio
Press volume down + home + power (Galaxy Gio will boot as download mode)
Connect Galaxy Gio to PC and wait until the device detect in Odin
Start and wait until it`s done
The solution when Upgrade via Odin is Stuck
Are you already try this?
Reinstall with the latest Kies
Update Driver from kies
Recheck the Odin
Change the USB Port
Solution : Try another PC that never install with Kies!
Reason : Some file may conflict or corrupted when the download process is fail.
The lastest KIES
Samsung USB driver
Odin Multi Downloader 4.4.2
file OPS (for Froyo and Gingerbread)
MyPhoneExplorer 1.8 (Access SDCARD, backup sms, phone number etc, using PC/Laptop without mounting sdcard)