Samsung Galaxy S3 Neo (GT-I9300i) Firmware (Unbrick/Repair)

Un-bricking, upgrading and/or repairing software faults on your Samsung Galaxy S3 Neo (GT-I9300i) can easily be done using this official firmware.

This is a four file (AP, BL, CP and CSC) repair firmware with which you can unbrick your smartphone and/or fix other software faults on the device.

This firmware fixes software issues like:-

  • Un-brick bricked devices
  • Fix apps force closing
  • Device getting stuck during use, or lagging
  • Fix stuck on boot logo
  • Fix boot loop
  • Remove custom recovery (e.g, TWRP)
  • Remove root and restore default system files
  • Help upgrade/ update Android version to latest security patch
  • And just any software related faults

Before downloading any firmware for your Samsung device, check and confirm that the firmware is meant for your exact device model. This is necessary to avoid downloading the wrong file, causing your device to brick.

Firmware details/ Download

Model GT-I9300i
GT-I9300I_1_20151228153953_4 Download

How to flash Samsung Galaxy S3 Neo (GT-I9300i) via Odin

Note: Backup all important data (messages, contacts, app data, settings, etc) as these might be erased once flashing is successful.

Charge your phone to at least 50% before you proceed with the flashing instructions below. Read and follow all steps carefully, especially if you are not very experienced in flashing Samsung devices.

  • Download and install Samsung official USB driver on your computer. (Skip step if already installed)
  • Download and extract (unzip) the firmware file
  • Download Odin Tool
  • Extract the contents of Odin ZIP file
  • Run/Launch Odin.exe
  • Reboot Phone in Download Mode (press and hold Home + Power + Volume Down buttons)
  • Connect device to Computer via USB cable and wait until you get a blue sign in Odin
  • Select/ add the four firmware files extracted in step one.
    • For instance, BL is the bootloader file- click BL in Odin and select that file. In the same way, click AP, CP, and CSC select the files accordingly. See below screenshot
Samsung Galaxy S3 Neo (GT-I9300i) Firmware (Unbrick/Repair) 1
  • Make sure re-partition is NOT ticked
  • Click the start button and wait few minutes for the flashing process to begin and complete
  • Once flashing is complete, disconnect device and boot normally.