New Root Method for AT&T Samsung Galaxy S 4 (OTA MF3)
HOWTO:
Notes:
HOWTO:
- Use a card reader to format the micro SD card to exFAT (FAT32 or other formats does not work) in Windows. I haven't tried Linux or MacOS X, so they may not work.
- Download the attached file (Root_for_ATTSG4_FM3.rar) and extract it into the root of your EXTERNAL microSD card using the card reader in Windows. (You can do the extraction using WinRAR or 7-zip).
- Put the SD card back to the phone and download the Android Terminal Emulator app.
- Open the Terminal Emulator app and run below 3 commands:
Code:cd /mnt/extSdCard ./pwn ./script.sh
- Then, open SuperSU and check everything looks good.
- Then open a root app and it should be working properly.
- Reboot your device once to confirm root is still working after reboot.
- Come back to the post and press the THANKS button
Notes:
- I uploaded a screenshot from the Terminal screen where the instructions are entered. Yours should be the same except you don't need to enter the "ls -l" command. It's just to show what files I have on the SD card. Ignore LOST.DIR directory.
- Remove any SuperSU apps from your phone before following the above steps. script.sh installs it automatically.
- You can use adb shell instead of a terminal app which is more
convenient but requires Android SDK. Follow these steps only if you are
about to use adb:
- Download and install all Samsung Galaxy S 4 drivers from here.
- Activate Developer options -> USB Debugging mode. To have the phone show the Developer options, go to Settings -> More -> About device. Tap on "Build number" 6 times.
- You have to use an external SD card. No other alternative have been found yet. Using the device storage, i.e. /mnt/sdcard, or /data/local/tmp, DOES NOT work.
- Warning (suggested by rushi.1986): "We have root for MF3 but we neither have a working recovery, nor an ODIN back to stock package. Be very careful what you do with your root. At this point, there is no way to recover even from a soft brick. (unless you know exactly what caused the soft brick and can correct it using adb)"
- For those who do not know how to format an SD card on Windows (thanks to jee'sgalaxy):
- Insert the micro SD into the computer (may have to use a reader or a micro SD adapter).
- Go to "My Computer".
- Right click on your SD card that showed up.
- Click Format.
- Choose exFAT as the format.
- Click "OK".
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