Samsung I9300I Galaxy S3 Neo
Release Date 2014, April. Released 2014, April
OS N/A
Processor Qualcomm MSM8226 Snapdragon 400 (28 nm)
Battery Li-Ion 2100 mAh, removable
⚠️ Important Notice

Flashing firmware can be risky. Follow instructions carefully and backup your data before proceeding. We are not responsible for any damage to your device.

Available Firmware Files

File Name Size Download
I9300IDDUANB2_I9300IODDANB2_INS.zip
973 MB
I9300IDDUBOI1_I9300IODDBOI1_INS.zip
1 GB
How to Flash Stock ROM
  1. Download the correct ROM file for your device
  2. Install the required flash tool
  3. Enable USB debugging on your device
  4. Boot your device into download mode
  5. Connect your device to computer via USB
  6. Load the ROM file in the flash tool and start flashing
  7. Wait for the process to complete
  8. Reboot your device
Precautions
  • Backup all important data before flashing
  • Ensure battery is at least 50% charged
  • Use original USB cable for stable connection
  • Don't disconnect during flashing process
  • Download ROM only for your specific model
  • Follow manufacturer's instructions carefully