DO AT YOUR OWN RISK!!!
1. Reboot into cwm recovery if don't have cwm then install it first.
2. Wipe data/factory reset.
3. Wipe cache.
4. In mounts and storage select format system.
5. In advanced menu wipe dalvick cache.
6. Once all the wiping is done, select install zip from sd-card and select mobile_a10_jellybean.zip
Once complete reboot and enjoy!!!