Last Updated: July 14, 2026
This page provides the official firmware, drivers, and a step-by-step guide to restore the Samsung Galaxy S III I747 SGH-I747 to factory settings.
Device: Samsung Galaxy S III I747 SGH-I747 | Chipset: Qualcomm MSM8960 Snapdragon S4 Plus | Flash Tool: Odin
Android: Android 4.0.4 (Ice Cream Sandwich), upgradable to 4.3 (Jelly Bean), TouchWiz UI | File Type: .tar.md5 / ZIP (Contains AP, BL, CP, CSC files for Odin)
⚠ Warning: Flashing erases all data. Back up first.
Device: Samsung Galaxy S III I747 SGH-I747 (Qualcomm MSM8960 Snapdragon S4 Plus)
Flash Tool: Odin
Latest Build: the latest version
Firmware Files: 1 available
What You Need: Windows PC, USB data cable, Odin, USB drivers
Time Required: 10-20 minutes (plus 3-8 min first boot)
Samsung Galaxy S III I747 SGH-I747 Firmware (Flash File) Drivers, Tools & Guide
The Samsung Galaxy S III I747 SGH-I747 firmware is available here in stock ROM format for use with the Odin flash tool.
This guide provides the necessary files and instructions to perform a clean install. You will find the correct firmware file, the Odin version you need, and the steps that work. Before you begin, make sure you sign out of any Samsung accounts on the device. If you skip this step, the Knox security flag will trigger, which complicates the process later. Also, Samsung firmware usually comes in a .tar.md5 format. After you unzip the file, you should see files named AP_*, BL_*, CP_*, and CSC_*. If you do not see these, the package is not for this device.
There is currently one firmware build available for the Samsung Galaxy S III I747 SGH-I747. This is the stock ROM you should use for recovery or to fix software errors. The software runs on Android 4.0.4 (Ice Cream Sandwich) and can be upgraded to 4.3 (Jelly Bean) with the TouchWiz UI. The device uses a Qualcomm MSM8960 Snapdragon S4 Plus processor. Because of this chipset, you will need the Qualcomm Flash Image Loader (QFIL) and Qualcomm HS-USB drivers installed before connecting the phone. Ensure you have the right driver package before starting.
Samsung firmware uses a multi-file system (AP, BL, CP, CSC) designed for Odin, which differs from single-file tools. The Samsung Galaxy S III I747 SGH-I747 was released in 2012. This page is updated whenever a new build becomes available.
Your Samsung Galaxy S III I747 SGH-I747 firmware comes as a compressed ZIP file. Download and extract it using WinRAR or 7-Zip. After extraction, look for files named AP_*.tar.md5, BL_*.tar.md5, CP_*.tar.md5, and CSC_*.tar.md5 (or HOME_CSC_*.tar.md5). If you do not see these files, you have the wrong firmware package.
Be aware that flashing overwrites the entire software partition. All your data, apps, and accounts will be removed. This full wipe is how the flash resolves deep software issues, such as boot failures, FRP locks, Wi-Fi problems, or app crashes.
Reset Samsung Galaxy S III I747 SGH-I747 From Recovery Mode
To factory reset the Samsung Galaxy S III I747 SGH-I747 without a computer, power off the device completely, then hold Volume Up + Power (for older models with a Home button, use Volume Up + Home + Power) until the recovery menu appears. Use the volume keys to navigate to “Wipe Data/Factory Reset” and confirm with the Power button.
A hard reset erases all data and restores the Samsung Galaxy S III I747 SGH-I747 to its original factory state. This fixes most software problems, such as slow performance, app crashes, forgotten screen locks, and bootloops. If the issue persists after a factory reset, a full firmware flash using Odin is covered in the following sections.
FRP Removal for Samsung Galaxy S III I747 SGH-I747
The fastest way to bypass FRP on the Samsung Galaxy S III I747 SGH-I747 is to use a free Android apps launcher that lets you access settings during the setup wizard. After flashing or performing a factory reset, you may see a Google account lock (FRP). Our free Android apps launcher is the fastest way to get past it. This is also why I always recommend removing your Google account before flashing, it avoids this problem entirely.
Why Do We Need Samsung Galaxy S III I747 SGH-I747 Firmware?
Using the correct Samsung Galaxy S III I747 SGH-I747 firmware is necessary to resolve software issues, unlock the device, and restore system stability.
- Unlock your device if it has been locked or disabled.
- Recover your device when it only boots into recovery mode.
- Update to the latest Android version supported by your phone.
- Restore system apps that were accidentally removed or corrupted.
- Restore the original Samsung stock ROM to keep your warranty valid.
- Repair a phone that shuts down randomly or restarts in a loop.
- Recover from KG lock or Knox-related issues after an incorrect or interrupted flash.
Learn more about stock ROMs and why flashing works.
Choosing the Right Firmware Version
Selecting the right firmware version requires checking your exact model number, CSC region, and binary level to avoid incompatibility issues.
- Identify Your Exact Model Number: Go to Settings › About Phone and note your full model number (e.g. SGH-I747). The letter suffix matters, U/U1 = USA, W = Canada, N = Korea, B/F = International/Global. Flashing firmware built for a different variant can cause issues.
- Match the CSC (Region): The 3-letter region code in the firmware filename must match your device. Check Settings › About Phone › Software Information for your current CSC, or look at the Service Provider line in Download Mode. Common codes: XAA (US), BTU (UK), INS (India), SER (Russia).
- Check the Binary Level: Look at the version string in your current firmware (e.g.
XXU9BZDP, the number after the letters is the binary level). You cannot downgrade to a lower binary level. If your device is on Binary 9, only flash Binary 9 or higher firmware. - Confirm the Build Date: The last 4 characters of the PDA version encode the build date, first character is the year (A=2024, B=2025, C=2026), second is the month (A=Jan through L=Dec).
- Verify in Download Mode: Power off, hold Volume Down + Power to enter Download Mode. This screen shows your exact model, CSC, and current firmware version, use this to confirm before flashing.
Firmware Details for Samsung Galaxy S III I747 SGH-I747
The specifications for the Samsung Galaxy S III I747 SGH-I747 firmware include Android 4.0.4 up to 4.3 and a Qualcomm MSM8960 processor.
| Firmware Information | Details |
|---|---|
| Device Model | Samsung Galaxy S III I747 SGH-I747 |
| Firmware Version | V4 |
| File Size | 737 MB |
| Android Version | Android 4.0.4 (Ice Cream Sandwich), upgradable to 4.3 (Jelly Bean), TouchWiz UI |
| Platform | Qualcomm MSM8960 Snapdragon S4 Plus |
| Release Date | Released 2012, July |
| Region | Global, Africa and Asia |
| File Type | .tar.md5 / ZIP (Contains AP, BL, CP, CSC files for Odin) |
Which Firmware Version Should I Download?
To choose the correct firmware, consult the decision table below based on your specific phone condition and region.
| Your Situation | What I Recommend |
|---|---|
| Phone is completely dead or stuck on logo | the latest version, download this one. It is the latest Samsung Galaxy S III I747 SGH-I747 firmware available. |
| FRP / Google account lock only | See the FRP bypass guide above, you likely do not need the full firmware for this. |
| Not sure which region/CSC to download | Check Settings › About Phone › Software Information for your current CSC, or enter Download Mode (Volume Down + Power), it shows the CSC on screen. Match the 3-letter code (e.g. XAA, BTU, INS) to the firmware filename. |
| Phone slow after a recent OTA update | Try the next older version, sometimes the latest OTA introduces new bugs and an older build runs better. Make sure the binary level is the same or higher than what your device currently has. |
| IMEI missing after a previous flash | Re-flash the latest version first, then follow the IMEI repair guide. Do not skip the reflash. |
| the latest version failed with a flash error | Try the next older version instead and double-check your AP/BL/CP/CSC file assignments in Odin before assuming the firmware is the problem. |
| Restoring to factory / warranty repair | the latest version, clean state, fresh start. |
To tell which Samsung firmware is newer, look at the last 4 characters of the PDA version string (e.g. S938BXXU9CZDP). The first character is the year (A=2024, B=2025, C=2026), the second is the month (A=Jan, B=Feb… L=Dec, Z=final stable), and the last two are the revision (0-9 then A-Z, where Z is highest). But before comparing dates, always check the binary level: the digit just before the date code (e.g. XXU9CZDP = Binary 9). You cannot downgrade to a lower binary level. If your device is on Binary 9, only flash Binary 9 or higher. Also make sure the 3-letter CSC code in the firmware matches your device region.
Download Samsung Galaxy S III I747 SGH-I747 Firmware
You can download the official Samsung Galaxy S III I747 SGH-I747 firmware from the link provided below.
| Software Details | Download Link | Members Link |
|---|---|---|
|
File Name: Samsung_SGH-I747_(I747UCDLK3_I747ATTDLK3_ATT_v4.1.1)_by.zip Size: 737 MB | Download Link | Download Link2 |
Only download firmware that is fully compatible with your exact device model. See the firmware selection guide above if you are not sure.
Important: The Samsung Galaxy S III I747 SGH-I747 (SGH-I747) should not be confused with other Galaxy S III I747 variants that may have different chipsets or regional firmware. Even devices in the same Galaxy S III I747 line can use completely different processors. Always verify your exact model code “SGH-I747” in Settings > About Phone before downloading any firmware from this page.
- The model code on your phone must match SGH-I747 exactly. Even a single letter variant (like adding or dropping an “i” or “s”) can mean a different chipset inside.
- Your chipset should be Qualcomm MSM8960 Snapdragon S4 Plus. Recovery mode shows this information if you are not sure.
- Do not mix firmware from other download sites with the files on this page.
- If the downloaded file is much smaller than what is listed in the table above, re-download it, partial files will fail.
What You Need Before Flashing Samsung Galaxy S III I747 SGH-I747
Before starting the flashing process, ensure you have the necessary drivers, a compatible cable, and a backup of your data.
- Record IMEI Before Flashing: Dial *#06# and save both IMEI numbers somewhere safe, a screenshot works. If flashing corrupts the baseband, these numbers are what you will need to restore cellular connectivity.
- Unlink Google Accounts: Go to Settings, then Accounts, and remove all Google accounts. This prevents Factory Reset Protection from activating after the flash. It is the single most skipped step and causes the most post-flash headaches.
- Remove Samsung Accounts: Sign out of all Samsung accounts to avoid KG lock.
- Full Data Backup: Flashing erases everything. Transfer your photos, contacts, app data, and any important files to your computer or cloud backup before starting.
- Charge the Battery: Make sure you have at least 50% charge. A dead battery during a flash can corrupt the system partition and turn a fixable problem into a much bigger one.
- Windows PC and USB Cable: You will need a Windows computer and a data-capable USB cable. Cheap charge-only cables are the number one reason flash tools fail to detect devices.
- Driver Installation:
Samsung Galaxy S III I747 SGH-I747 Firmware Installation Guide
You install the Samsung Galaxy S III I747 SGH-I747 firmware using the Odin flash tool by loading the extracted files and connecting the device in Download Mode.
We are using Odin for this. A quick tip: keep “Auto Reboot” and “F. Reset Time” both checked in Odin, those two options together give you the cleanest flash result. If you are not sure which Odin version to use, check our Odin versions page. Some older Samsung devices work better with older Odin builds.
- Download and Unpack:
- Pick the correct firmware version from the downloads above and save it to your PC.
- Extract the ZIP file. If the extracted folder contains another ZIP inside, extract that one too. You should end up with the actual firmware files, not another archive.
- Driver Check:
- Double-check that you have installed the required drivers. A missing driver is the most common reason the flash tool cannot detect your phone. Reboot your PC after installing.
- Load the Firmware File:
- In Odin, click “BL” and select the BL_*.tar.md5 file. Click “AP” and select the AP_*.tar.md5 file. Repeat for “CP” and “CSC”. Use HOME_CSC to keep data, or CSC for a clean flash.
- Connect Your Device:
- Enter Download Mode: Turn off your phone, then hold Volume Down + Power (add Home button on older models) until the warning screen appears. Press Volume Up to confirm and enter Download Mode.
- Connect your phone to your PC via USB. Odin should show “Added..” in the log area, this means your device is detected.
- Start Flashing:
- Start the flash by clicking “Start”.
- Leave everything untouched until completion. Even bumping the USB cable can interrupt the write and cause a failed flash.
- Wait and Reboot:
- The flash is complete when the tool shows a success indicator. Disconnect your phone.
- Turn the phone on. Do not worry if it sits on the boot logo for several minutes, the system is rebuilding itself from scratch.
Video Guide for Flashing
What to Expect After Flashing
After a successful flash, you should expect the phone to reboot, require a language setup, and lose all installed applications.
- How to know the flash was successful: Odin will show “PASS.” in green text at the top-left of the log area. If you see this, everything went fine.
- Fingerprint and face unlock data are erased during the flash. You will need to re-register your fingerprints and face data from scratch in the security settings.
- Storage will show almost full capacity available since all your apps and files are gone. The system partition size varies by firmware version but is typically 4 to 8 GB on most devices.
- The phone may ask for language and region again, this is normal after a flash. You are starting from a clean state, so the setup wizard runs just like when the phone was brand new.
- All your apps are gone, this is expected. Reinstall them from the Play Store. If you had a Google account backup active, it will offer to restore your apps automatically during setup.
- Be careful when re-adding your Google account, if you did not remove it before flashing, you may see an FRP prompt. Add it fresh during the setup wizard, not afterwards through Settings.
- Battery percentage may seem inaccurate for the first day. The battery statistics are calibrated during normal use. Charge the phone fully once without interruption and the readings will stabilize.
Samsung Galaxy S III I747 SGH-I747 Flashing Problems and Fixes
- Odin Shows “FAIL” Instead of “PASS”:
- This is usually a mismatch between the firmware region or model and your device. Confirm your exact model number in Settings › About Phone before selecting the firmware. Even a single letter difference in the model code matters.
- Samsung Galaxy S III I747 SGH-I747 Not Recognized by Odin:
- Reinstall the Samsung USB drivers. Make sure you are in Download Mode. Try a different USB cable, Odin can be sensitive to cable quality.
- KG Lock / Knox Triggered After Flashing:
- This happens when a Samsung account was still signed in before flashing, or when unofficial firmware was used. Always sign out of Samsung accounts before flashing. If KG lock is already active, a professional unlocking tool is generally needed.
- Boot Loop After Flashing:
- Enter recovery mode (Volume Up + Power) and perform a factory reset. This clears any leftover data from the previous firmware that may be causing the conflict.
Missing IMEI or Corrupt Baseband on Samsung Galaxy S III I747 SGH-I747 After Flashing?
A missing IMEI on a Samsung device after flashing usually points to a corrupted EFS partition, this is the partition that stores your IMEI and carrier settings. Note that restoring an IMEI that is not your original number is illegal in most countries, so only do this if you are restoring the number the device had before you flashed. Tools like ChimeraTool or BFT can help with this. Check your local laws before proceeding.
Video Guide: How to repair IMEI
Samsung Galaxy S III I747 SGH-I747 Firmware FAQ
Q1: Do I need an internet connection during flashing?
A: No. The flashing process is entirely offline, it happens between your PC and the phone via the USB cable. You do not need internet at any point during the flash itself. You will need internet later to set up the phone and download your apps.
Q2: How do I enter recovery mode?
A: Power the device off completely, then hold Volume Up + Power at the same time until the recovery menu appears. For older Samsung models with a physical Home button, use Volume Up + Home + Power. The recovery menu displays the build number which you can use to verify your firmware version before flashing.
Q3: Can I flash this firmware if my phone does not turn on at all?
A: Yes, in most cases. Samsung devices can usually enter Download Mode even when the screen is completely dead, hold Volume Down + Power for 10 seconds. If the battery is completely drained, charge it for at least 15 minutes first.
Q4: Is this firmware compatible with other Samsung models?
A: No. This firmware is built specifically for the Samsung Galaxy S III I747 SGH-I747 running on the Qualcomm MSM8960 Snapdragon S4 Plus chipset. Even variants of the Galaxy S III I747 with a different letter suffix can have a completely different chipset inside. Flashing the wrong firmware can leave your phone in a state that is very difficult to recover from. Always check your exact model number in Settings.
Q5: What should I do if I encounter an FRP lock after flashing?
A: Use our free Android apps launcher. FRP lock activates when a Google account was still signed in before flashing. This is why signing out of your Google account before flashing avoids this issue entirely.
Q6: Can I use a Mac or Linux computer for this?
A: Samsung firmware can be flashed using Heimdall on Linux or Mac, but the instructions on this page are written for Odin on Windows. If you only have a Mac, you may want to use a Windows virtual machine or Boot Camp for the most straightforward experience.
Q7: What if the flash fails halfway through?
A: Do not panic and do not disconnect the phone. Close Odin, restart it, and try the flash again from the beginning. In most cases, a failed flash just means the process needs to be repeated. The device is usually still detectable by the flash tool even after a failed attempt.
Q8: Is it safe to flash during a power outage risk?
A: It is best to avoid flashing during unstable power conditions. If your PC shuts down during the flash, it can corrupt the write and leave the phone in an unbootable state. If you are in an area with unreliable power, use a laptop with a fully charged battery instead of a desktop.
People Also Ask About Samsung Galaxy S III I747 SGH-I747
Can flashing firmware fix a bricked Samsung Galaxy S III I747 SGH-I747?
Yes. If your Samsung Galaxy S III I747 SGH-I747 is stuck on the logo, in a bootloop, or will not turn on, flashing the stock firmware with Odin can restore it to working condition. This is the standard repair method used by service centers for Samsung devices.
What is the latest firmware version for Samsung Galaxy S III I747 SGH-I747?
The latest available Samsung Galaxy S III I747 SGH-I747 firmware on this page is version the latest version. This page has 1 firmware build available for download. Check the firmware details table above for file sizes and Android versions.
Will flashing firmware on Samsung Galaxy S III I747 SGH-I747 erase my data?
Yes. Flashing stock firmware on the Samsung Galaxy S III I747 SGH-I747 with Odin performs a full factory reset. All apps, photos, contacts, and accounts will be removed. Back up everything important before you start. There is no way to recover data after flashing.
How do I check my Samsung Galaxy S III I747 SGH-I747 model number before flashing?
Go to Settings > About Phone on your Samsung Galaxy S III I747 SGH-I747 and look for the model number “SGH-I747”. You can also confirm by entering recovery mode (Volume Up + Power while powered off) which displays the build number and model code. Always match this exactly with the firmware filename before flashing.
Samsung Galaxy S III I747 SGH-I747 Firmware, Final Notes
You have all the files and instructions needed to restore the Samsung Galaxy S III I747 SGH-I747.
Got stuck somewhere? Drop a comment with the error message and the step number. I check comments regularly and will point you in the right direction.
If this worked for you, share the page so others with the same device can find it too.
Browse all Samsung firmware downloads for more devices.
Disclaimer: Flashing stock firmware is performed at your own risk. Follow the instructions on this page carefully. I cannot be held responsible for any damage to your device, but I will always try to help if something goes wrong.
