How to install back stock ROM on Galaxy Gio

Files required:
- Kies
- ODIN MultiDownloader
- Stock ROM file

1. Turn off your gio
2. Bring download mode by pressing vol. down and home and power button
3. Connect gio to PC via USB cable
4. Make sure kies installed, and open ODIN
5. Click ops and search for gio.ops
6. Check one package
7. Click package button and search for extracted stock rom file
8. Make sure it boots to samsung logo, then pull out battery
9. Reboot to recovery and wipe data
10. Reboot

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