October 13th, 2013
How to Restore Samsung Galaxy S3 to Stock Firmware (Jelly Bean or Ice Cream Sandwich)
Jelly Bean update for Samsung Galaxy S3 have been released few month back and it’s available for most of the variant at this moment. Android 4.1.2 Jelly Bean update on Galaxy S III indeed brings significant improvement on the device with latest Jelly Bean features including Page Buddy, Multi View, Notification Panel, Smart Rotation, Group Cast App and other.
Nevertheless, some of the Samsung Galaxy S3 users complaint on the laggy condition after upgraded to Android 4.1.2 Jelly Bean. This laggy condition is not found in the previous Android 4.0 Ice Cream Sandwich according to the users. Some might keep Android 4.1.2 Jelly Bean with them while others tends to restore Samsung Galaxy S III back to ICS. In this case, we might provide a simple guide for you to restore back to ICS on your Galaxy S3. This tutorial can be used to restore Samsung Galaxy S3 if you have bricked your device or want to receive OTA update after rooting your device.
Samsung Galaxy S3 is Samsung flagship smartphone in 2012 with 4.8 inches 1280×720 Super AMOLED display, Samsung Cortex Quad-Core 1.4GHz processor, 1GB RAM, 16/32GB internal storage and 8MP rear camera. It is running Android 4.0.4 Ice cream sandwich out of the box. It have been upgraded to Android 4.1.2 Jelly Bean.
How to Restore Samsung Galaxy S3 GT-I9300 to Stock Firmware
Disclaimer: It’s always a risk to modify your device. We, Android Teen are not responsible for any damage or bricks on your device. Your device warranty may void with any mod. Check your devices warranty’s term & conditions before start. (HTC,Samsung, LG, Sony, Motorola). Use this guide on your own risk, contact us for help if you face problem.
Pre-requisites & Requirements
- Samsung Galaxy S3 I9300 (Ensure correct device model and firmware; Check device model – Go to Settings -> About Device -> Model Number)
- Windows-based computer or laptop
- Download Samsung Galaxy S3 USB driver for Windows and install in your computer. Connect device to computer with USB cable to complete installation. Skip this step if you have installed the USB driver.
- Enable USB Debugging on your device. How to Enable USB Debugging Mode on Android Devices.
- Make sure your phone is charged to 60% 80% to avoid battery blackout and interruption during this tutorial.
- We recommend you make a backup on your data and media files before the tutorial. You may restore the data and files if necessary.
- How to Completely Backup Android Without Root
- How to Backup Personal Data on Android Device (Contact, Application Data, Wifi Password, APN Settings)
- Backup SMS and Restore on Android Devices
- How to Backup WhatsApp Messages
- How to Backup Nandroid with Titanium Backup (Complete back up for rooted Android Devices)
Reminder: You do not need to wipe your device but we always suggest your backup before flashing. Perform wipe data only if you face problem after flashing. Ensure you meet the requirements before proceed. Contact us if you face problem.
- Samsung Odin3.07 (Odin3.07.zip, 1.15MB).
- Stock Firmware for Samsung Galaxy S3 GT-I9300 – Proceed to SamMobile Firmware to download correct firmware for your device. If you in doubt which firmware to apply, simply leave us a message and we will provide the download link for you.
- Download and extract Odin3.07.zip to get
Odin3 v1.85.exeOdin3.07.exe in a folder in computer.
- Download and extract **ROM***.zip to get *.tar or *tar.md5 in a folder in a computer.
- Power off your device.
- Enter Download Mode by pressing and hold the Volume Down key, Home button, and Power button.
- You should see a warning triangle sign, press Volume Up to continue.
- You should see Odin Mode at the top and Downloading… , Do not turn off target!!
- Launch Odin executable file by double-clicking on Odin3.07.exe.
- Connect your device to your computer with USB cable.
- Wait until Odin to show an “Added” message at the lower-left message box.
- After your device is detected by Odin, click on the PDA button and select the *.tar or *.tar.md5.
- Make sure the Repartition option is not checked under Options & checked on Auto Reboot.
- Click Start button to flash ***.tar.md5 to your device. Monitor the flash progress on Odin.
- A green “PASS” message should show for a success flashing.
- Your device shall reboot automatically.
- Wait patiently for the first time boot up.