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DISCLAIMER: This was performed on a SAMSUNG-SGH-I317 on ATT. I can only attest to it's success on that model, because that's what I have. And that's the multiple hours I have tested in on.


I was impatient and flashed the ATT 4.3 OTA thereby locking myself into to the 4.3 bootloader.

** So I am using an i317 AT&T Note 2 with the MK6 locked bootloader as the baseline for testing.

After 4.3 came out there were multiple issues, people getting softbricked, etc. I started following the HOW-TO Downgrade from 4.3 OFFICIAL MK6 to LJ2 4.1.1 from @perez6991.

I was honored to test Zen Arcade's AT&T I317-UCUBMK6 *Stock* Rooted De-Odex ROM.

He suggested to me, try some follow on testing of how to go from Stock ODIN KIES_HOME_I317UCALJ2_I317ATTALJ2_215287_REV04_user _low_ship.tar.md5, all the way up to OTA 4.3.

After many heart stopping, panic attacks from a phone that would not boot.....

Here are the steps:

Section 1: Flashing LJ2 4.1.1 via ODIN

Thanks to perez6991 for the HOW-TO Downgrade Guide, I’m just reusing his steps for the first part and thanks to fuzio1963 for finding out the param.bin and tz.img unbricks recovery mode. Saved my butt !

STEP 1: Download the USA AT&T 2012 OCTOBER I317UCALJ2 firmware from Sammobile (You need an account to download/registration is free)

Download Link

Or download from here:
Stock UCALJ2 ODIN package for those with MK6 bootloaders
Generously hosted by Zen Arcade

Extract the file ( to Desktop or somewhere convenient

STEP 2: Download Odin 3.07 or your preferred choice, extract zip file to Desktop or somewhere convenient. Go to directory to where you extracted

Run Odin3 v3.07.exe

Download Link

STEP 3: Put your Note 2 in Download Mode

Entering download mode is very simple. First you will need to turn off your device. Once it’s off, you need to press this button combination: volume down, power button and home button. Keep them pressed until the download mode shows up. Once you’re there, you will be required to press volume up to enter the download mode or volume down to cancel and reboot the device.

Plug into a RELIABLE usb port and a RELIABLE usb cable (preferably the white Samsung cable) and wait for it to show up in Odin (COM5 or something like that)

STEP 4: Click the PDA slot in Odin and locate the USA AT&T 2012 OCTOBER I317UCALJ2 firmware from Sammobile that you downloaded and extracted in Step 1

The filename that goes into the PDA Slot is KIES_HOME_I317UCALJ2_I317ATTALJ2_215287_REV04_user _low_ship.tar.md5

Wait for it to verify, it may look like the program freezes but it’s just verifying the md5 checksum.


STEP 5: Click START and wait. After a while Odin should say RESET in the BOX above the Option area

*** Upon reboot the phone will hang. This is because of left over 4.3 file(s) not letting the system boot.

Pull the battery and let the phone sit for a few seconds, pop the battery in and boot into stock recovery (HOLD VOL UP+HOME+POWER)
and do a FACTORY RESET then reboot.

When it hangs on the Pulsing Blue Samsung logo, do this step. (expect to do this)

STEP 6: SUCCESS!! If you did everything right your phone should boot into LJ2 4.1.1

If your phone did not boot, you probably did not read the info after ***.

  • Thanks to perez6991 for the HOW-TO Downgrade Guide
  • Thanks to fuzio1963 for finding out the param.bin and tz.img unbricks recovery mode
  • Thanks to Zen Arcade for the encouragement to write this up
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