Last Updated: August 1, 2019
Get your Samsung I8190 Galaxy S III mini SM-G730W8 back to its best performance with the official firmware. This page has the download links, the right tools, and the steps you need to fix boot issues, FRP locks, and IMEI problems.
Device: Samsung I8190 Galaxy S III mini SM-G730W8 | Chipset: ST-Ericsson NovaThor U8420 | Flash Tool: Odin
Android: Android 4.1 (Jelly Bean) | File Type: .tar.md5 / ZIP (Contains AP, BL, CP, CSC files for Odin)
⚠ Warning: Flashing erases all data. Back up first.
Device: Samsung I8190 Galaxy S III mini SM-G730W8 (ST-Ericsson NovaThor U8420)
Flash Tool: Odin
Latest Build: the latest version
Firmware Files: 3 available
What You Need: Windows PC, USB data cable, Odin, USB drivers
Time Required: 10-20 minutes (plus 3-8 min first boot)
Samsung I8190 Galaxy S III mini SM-G730W8 Firmware (Flash File) Drivers, Tools & Guide
Using Odin to flash firmware on the Samsung I8190 Galaxy S III mini SM-G730W8 is a reliable method to fix software glitches. I have put together a complete guide here. You will find the correct firmware file for the Samsung I8190 Galaxy S III mini SM-G730W8, the necessary Odin version, and the steps to follow.
One thing to do before you start: if your device has a Samsung account signed in, sign it out before doing anything else. Knox will trigger if this step is skipped, and dealing with a KG lock after flashing takes extra time. Also, Samsung firmware comes in .tar.md5 format, after extracting the ZIP, you should see files named AP_*, BL_*, CP_*, and CSC_* (or HOME_CSC_*). If you do not see these, you have the wrong package.
The Samsung I8190 Galaxy S III mini SM-G730W8 was originally released in 2012, which means USB driver compatibility on newer Windows versions (10/11) may require manual installation rather than plug-and-play. As a Samsung device, the Samsung I8190 Galaxy S III mini SM-G730W8 uses Odin for firmware installation. This is the same tool Samsung service centers use, and it works with all Galaxy devices regardless of chipset. The stock firmware ships with Android 4.1 (Jelly Bean), which determines the default apps, security features, and interface you will see after flashing.
The Samsung I8190 Galaxy S III mini SM-G730W8 was released in 2012. This page is maintained with the latest available firmware builds as they become available. This firmware was sourced directly from verified repositories and checked for integrity before being listed on this page.
Your Samsung I8190 Galaxy S III mini SM-G730W8 firmware comes as a compressed ZIP file. Download and extract it using WinRAR or 7-Zip. After extracting, you should see files named like 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 may have the wrong firmware package for your device.
Be aware that flashing overwrites the entire software partition. Your data, apps, and accounts will all be removed. This full wipe is how the flash resolves deep software issues, anything from FRP locks and boot failures to Wi-Fi problems and app crashes.
FRP Removal for Samsung I8190 Galaxy S III mini SM-G730W8
The fastest way to bypass FRP on Samsung I8190 Galaxy S III mini SM-G730W8 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.
Hard Reset Samsung I8190 Galaxy S III mini SM-G730W8
To factory reset Samsung I8190 Galaxy S III mini SM-G730W8 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) at the same time 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 Samsung I8190 Galaxy S III mini SM-G730W8 to its original factory state. This fixes most software problems, 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.
Choosing the Right Firmware Version
The most common mistake users make is flashing firmware meant for a different variant of the device. Before downloading anything, verify your exact device identity:
- Identify Your Exact Model Number: Go to Settings › About Phone and note your full model number (e.g. SM-G730W8). 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.
What Samsung I8190 Galaxy S III mini SM-G730W8 Firmware Fixes
Samsung devices like the Samsung I8190 Galaxy S III mini SM-G730W8 are flashed using Odin, regardless of the chipset inside. Whether you are dealing with a boot issue or a software problem, flashing the official firmware can resolve it:
- Recover your device when it only boots into recovery mode.
- Unlock your device if it has been locked or disabled.
- Resolve touchscreen responsiveness issues caused by a corrupted system build.
- Restore the original Samsung stock ROM to keep your warranty valid.
- Clear a forgotten screen lock, PIN, or pattern without needing the original credentials.
- 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 on your device.
Learn more about stock ROMs and why flashing works.
Firmware Details for Samsung I8190 Galaxy S III mini SM-G730W8
Here is a quick overview of the official firmware specifications:
| Firmware Information | Details |
|---|---|
| Device Model | Samsung I8190 Galaxy S III mini SM-G730W8 |
| Firmware Version | N/A |
| File Size | 785.59 MB |
| Android Version | Android 4.1 (Jelly Bean) |
| Platform | ST-Ericsson NovaThor U8420 |
| Release Date | Released 2012, November |
| Region | Global, Africa and Asia |
| File Type | .tar.md5 / ZIP (Contains AP, BL, CP, CSC files for Odin) |
Which Firmware Version Should I Download?
This is the most frequent question I receive, so I have created a simple guide to help you choose the right file. Find your situation in the table and go straight to the right file:
| Your Situation | What I Recommend |
|---|---|
| Phone is completely dead or stuck on logo | the latest version, download this one. It is the latest Samsung I8190 Galaxy S III mini SM-G730W8 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 I8190 Galaxy S III mini SM-G730W8 Firmware
Download the official stock firmware for your Samsung I8190 Galaxy S III mini SM-G730W8 below. The latest available version is the latest version. After downloading, verify the file size matches the table above, a size mismatch usually means a partial or corrupt download, and flashing a corrupt file can cause more problems than it solves.
| Software Details | Download Link | Members Link |
|---|---|---|
|
File Name: G730W8VLUBNF3_G730W8OYABNF3_FMC.zip Size: 785.59 MB | Download Link | Download Link2 |
| File Name: G730W8VLUBNF3_G730W8OYABNF3_RWC.zip Size: 785.59 MB | Download Link | Download Link2 |
| File Name: G730W8VLUBNF3_G730W8OYABNF3_TLS.zip Size: 785.59 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 I8190 Galaxy S III mini SM-G730W8 (SM-G730W8) should not be confused with other I8190 Galaxy S III mini variants that may have different chipsets or regional firmware. Even devices in the same I8190 Galaxy S III mini line can use completely different processors. Always verify your exact model code “SM-G730W8” in Settings > About Phone before downloading any firmware from this page.
- Confirm your exact model is SM-G730W8, check About Phone, not the marketing name on the box.
- Your device must have a ST-Ericsson NovaThor U8420 chipset. Boot into recovery mode to verify if unsure.
- Only use files downloaded from this page. Third-party mirrors may serve modified or incomplete packages.
- Compare the file size against the download table. If it does not match, the download is likely corrupt or incomplete.
What You Need Before Flashing Samsung I8190 Galaxy S III mini SM-G730W8
Go through this list before you open Odin for the Samsung I8190 Galaxy S III mini SM-G730W8. Two things that commonly cause problems with Samsung devices: a Samsung account that was not signed out before flashing, which can trigger KG lock, and a USB cable that works for charging but drops the connection mid-flash. Always use a proper data cable, not a charge-only cable.
- Write Down Your IMEI: Open your phone dialer and type *#06#. Take a photo of the screen showing both IMEI numbers. You may need these later to fix your IMEI if it gets wiped during the flash.
- Sign Out of Google: Open Settings, go to Accounts, and remove every Google account from the device. If you skip this, Google will lock the phone after flashing and you will need to do an FRP bypass.
- Remove Samsung Accounts: Sign out of all Samsung accounts to avoid KG lock.
- Save Your Files: Copy everything important to a PC or cloud storage. After flashing, the phone will be completely empty, no apps, no photos, no messages.
- Battery Check: Charge to at least 50%. If the phone dies during flashing, you could end up with a device that will not turn on at all.
- Get the Right Cable: You need a USB data cable, the kind that can transfer files, not just charge. Plug it into a USB 2.0 port on a Windows PC for the most reliable connection.
- Set Up Drivers:
Samsung I8190 Galaxy S III mini SM-G730W8 Firmware Installation Guide
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.
- Get the Firmware Ready:
- Download the firmware file from the download section above.
- Right-click the ZIP and select “Extract Here” or use 7-Zip. Put the extracted files in a folder without spaces in the name, like
C:firmware.
- Verify Your Drivers:
- Make sure the required drivers are installed. After installing, restart your PC, drivers often do not activate until after a reboot.
- 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:
- Hit the “Start” button in the flash tool to start the process.
- Leave the phone and cable completely alone until it finishes. Any interruption during this stage risks corrupting the flash.
- Wait and Reboot:
- When the flash completes, unplug the USB cable from your phone.
- Turn on the device. First boot takes 3 to 8 minutes, do not force restart it during this time.
Video Guide for Flashing
Samsung I8190 Galaxy S III mini SM-G730W8 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 I8190 Galaxy S III mini SM-G730W8 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.
Post-Flash Behavior on Samsung I8190 Galaxy S III mini SM-G730W8
Here is what is completely normal after a successful flash:
- 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.
- Wi-Fi, Bluetooth, and mobile data should all work right after setup. If mobile data is not connecting, go to Settings, SIM and Network, and re-enter your APN manually, the flash sometimes clears carrier APN settings.
- 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.
- The phone will feel warm during first boot, this is normal. It settles after a few minutes once the initial app setup is complete.
- 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.
- 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.
- Notification sounds and ringtones will be back to factory defaults. Any custom tones you had set before will need to be re-downloaded and re-assigned in Settings.
Missing IMEI or Corrupt Baseband on Samsung I8190 Galaxy S III mini SM-G730W8 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 I8190 Galaxy S III mini SM-G730W8 Flashing 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: 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.
Q3: 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.
Q4: Is this firmware compatible with other Samsung models?
A: No. This firmware is built specifically for the Samsung I8190 Galaxy S III mini SM-G730W8 running on the ST-Ericsson NovaThor U8420 chipset. Even variants of the I8190 Galaxy S III mini 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: Will flashing erase my data?
A: Yes, flashing with Odin restores the device to factory state, including Android 4.1 (Jelly Bean) default settings. All apps, photos, contacts, and accounts will be removed. Back up everything you need before you start. There is no way to recover data once the flash is complete.
Q6: My IMEI shows “unknown” after flashing. Is my phone permanently damaged?
A: No, it looks alarming, but it is fixable. Follow the IMEI repair guide in the troubleshooting section above. For Samsung devices, check for EFS partition corruption first. Do not insert a SIM card until the IMEI is restored.
Q7: Can I go back to an older firmware version?
A: It is technically possible on some MediaTek builds, but downgrading can cause security issues and app compatibility problems. If the latest version is causing trouble, leave a comment below, there is usually a better fix than rolling back.
Q8: My device is not detected by Odin. What should I do?
A: Start with the drivers, reinstall the Samsung USB drivers, restart your PC, then try again. Switch to a USB 2.0 port if you are on USB 3.0. Disable your antivirus temporarily. If none of that works, leave a comment with the exact error message.
People Also Ask About Samsung I8190 Galaxy S III mini SM-G730W8
What is the latest firmware version for Samsung I8190 Galaxy S III mini SM-G730W8?
The latest available Samsung I8190 Galaxy S III mini SM-G730W8 firmware on this page is version the latest version. This page has 3 firmware builds available for download. Check the firmware details table above for file sizes and Android versions.
Will flashing firmware on Samsung I8190 Galaxy S III mini SM-G730W8 erase my data?
Yes. Flashing stock firmware on the Samsung I8190 Galaxy S III mini SM-G730W8 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 I8190 Galaxy S III mini SM-G730W8 model number before flashing?
Go to Settings > About Phone on your Samsung I8190 Galaxy S III mini SM-G730W8 and look for the model number “SM-G730W8”. 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.
Can flashing firmware fix a bricked Samsung I8190 Galaxy S III mini SM-G730W8?
Yes. If your Samsung I8190 Galaxy S III mini SM-G730W8 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.
Wrapping Up: Samsung I8190 Galaxy S III mini SM-G730W8 Firmware
You have just completed a clean firmware flash on your Samsung I8190 Galaxy S III mini SM-G730W8. The device should now be back at the setup wizard on a fresh the latest version build.
Questions, errors, or something not covered here? The comments section is open. Tell me exactly what happened and I will walk you through the fix.
If you found this useful, a quick share goes a long way, someone else with the same device is probably searching for this right now.
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.
