Install Android 4.4.2 Leaked Firmware on AT&T Galaxy S4 SGH-I337

Finally the Leaked Android 4.4.2 KitKat Firmware for AT&T Galaxy S4 SGH-I337 (I337UCUFMLD) is now available. Thanks to XDA members for posting this new leaked firmware on the XDA forum. This one is the leaked firmware and carrying build number I337UCUFMLD and a build date of January 2nd. Come with all the new and improved features which you can try on your Note 3. The new firmware comes with the new bootloader, so it’s not possible to downgrade to previous stock firmware. If you are the AT&T Galaxy S4 SGH-I337 mobile users and want to try this new firmware on your device, here is the complete guide which you can follow on your device and update your device with Android 4.4.2.

WARNING!

Your warranty is void if you follow the given instruction in this guide. We the Howtorootmobile.com team or the developers are not responsible for bricked devices, dead SD cards. Read all the instruction very carefully and Perform everything at your own risk.

AT&T GALAXY S4 SGH-I337 OFFICIAL KitKat 4.4.2 FIRMWARE

CHECK PHONE MODEL

This guide is only for the Samsung AT&T Galaxy S4 SGH-I337 android smartphone. Don’t try this method on any of other Android devices, It may hard brick your device. So, first confirm your phone model number in your android phone settings. To do this Go the Settings page of your device and check out the “About Device” option.

PRE-REQUISITES AND REQUIREMENTS

Before following the below Mention guide, It’s always recommended to follow our pre-requisites and requirement to stay safe.

1. BACKUP YOUR ANDROID DATA

Do take the Full Backup of your Android Apps, SMS, Contacts, Call Logs, Bookmarks. This one is one of the most important step that you have to follow, as we don’t want anyone losing their personal data or apps. For help on Backup and Restore check out the below mention guides.

BACKUP ANDROID APPS, SMS, CONTACTS, CALL LOGS, & BOOKMARKS
BACKUP ANDROID DEVICE WITH THESE FREE APPS
BACKUP AND RESTORE WHATSAPP MESSAGES

2. INSTALL SAMSUNG GALAXY S4 DRIVERS

You need these drivers to connect your device with the computer to follow this guide. Without these USB drivers you can’t connect your device to the PC, first download and install these drivers on your system.

DOWNLOAD ANDROID USB DRIVERS

3. ENABLE USB DEBUGGING MODE

Now you need to enable USB debugging mode. Without enabling USB debugging mode on your device you can’t start the root, Custom ROM or Unlock process.

HOW TO ENABLE USB DEBUGGING MODE ON ANDROID DEVICES

Enable-USB-Debugging

4. CHARGE YOU ANDROID

If your device switched off during this process, it could damage or brick the device. Make sure that your Android battery is full charge or near about 50-70% battery level.

After following the above mention steps follow the below mention guide one by one to proceed with the tutorial. All the above mention steps are very important, so do follow all the steps and do exactly what is told.

HOW TO ROOT GALAXY NOTE 10.1

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Step 1. Download the Android 4.4.2 KitKat leaked (N900AUCECMLG) here for Note 3 and extract he folder on your desktop.

Step 2.
One the folder you will find a exe file I337UCUFMLD_OneClick.exe. This one is one click ODIN installed uploaded with the firmware. No need to install the ODIN application on your system to flash the firmware.

Step 3. Now power off you device and boot it in download mode to start the Flashing process. To do this Press and hold these 3 buttons together until you see Warning! screen: Volume Down + Power + Home.

Step 4. Once your device is in download mode, connect it to your Windows PC with USB cable and run the I337UCUFMLD_OneClick.exe (Same file that you downloaded on step 1).

Step 5. Now click the Start button to begin flashing leaked firmware on your AT&T Galaxy S4 SGH-I337, and wait until you see a PASS! message in Odin’s apps left box. See the screenshot below:-

ODIN Pass message

Step 6. Once the pass message is visible on the ODIN app screen, you phone will automatically reboot. Now you can disconnect your device from the PC.

Now your AT&T Galaxy S4 SGH-I337 is updated with Android 4.4.2 I337UCUFMLD Firmware and you can disconnect your phone from PC. In case at the time of restart your device stuck on Android loop or stuck on Android boot screen, then follow this guide to come out of Android loop.

Source

HowtoRootMobile a.k.a HMR is one of the biggest Android Rooting and Custom ROM guides websites which has been serving for last 5 years. Here you will get all the info about Rooting, Custom Recovery, Unlocking and Custom ROMS.

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