How to Install G3815XXUBML1 For Galaxy Express 2 4.2.2 Jelly Bean Firmware Guide

Samsung Galaxy Express 2 SM-G3815 Smartphone recently received the G3815XXUBML1 Android 4.2.2 Jelly Bean official firmware update. Samsung recently rolled out the firmware. However, the firmware is currently released only for Switzerland. Hope the firmware will hit other part of the world soon. The device was released in October 2013 with Android 4.2.2 JB and already received official Android 4.2.2 Jelly Bean firmware update. If you own the device and not yet updated this latest firmware, then update your device using our simple tutorial below. The below guide will help you to download and install G3815XXUBML1 4.2.2 Jelly Bean firmware manually through Odin. You can check  latest available firmware for your device through OTA (over the air) from Settings-About Phone-Software Update.
G3815XXUBML1 For Galaxy Express 2 4.2.2 Jelly Bean Firmware
As the Galaxy Express 2 SM-G3815 already running on the Android 4.2.2 Jelly Bean, you can only expect few bug fixes and performance enhancement with this update. So, want to update your Galaxy Express 2  SM-G3815 to the latest XXUBML1 Android 4.2.2 Jelly Bean firmware? To install in official way, either you can go for OTA update as mentioned above or download firmware through the Samsung Kies utility. However, most of us prefer manual way to update official firmware. So, in this article you’ll find step by step manual guide to update the latest Android 4.2.2 XXUBML1 firmware on your Galaxy Express 2 SM-G3815 through Odin.

Important Note:

"The firmware is released only for the Samsung Galaxy Express 2 SM-G3815 model, so don’t try this in any other android device. Check your device model number from Settings-About Phone. Also the tutorial is based on Granddows PC. Follow all the pre-requisites, procedures and steps carefully to avoid breaking your phone".

Android 4.2.2 Jelly Bean G3815XXUBML1 Official Firmware Download List

Samsung rolled out the firmware for the following countries. The firmware which are unbranded or not locked to any carrier, no matter of which country or region, can be flashed on any Galaxy Express 2 SM-G3815 model.


[Firmware for rest of the countries and carrier will be update here when available]


  • Check battery percentage, your device should have at least 60% battery power
  • Turn on USB Debugging mode, go to Settings-Developer Options-USB Debugging
  • Backup important data and settings to external storage- follow this guide
  • Install USB driver for your device on your computer- Download Samsung USB Driver

Points to be noted:

  • If you are using any Custom ROM such as- CyanogenMod, Paranoid Android, AOKP, SLIM ROMs etc, then it’ll replaced by this official Stock ROM
  • Custom Recovery (CWM or TWRP Recovery) will be replaced by Stock Recovery
  • After flashing official firmware, your device will no longer belongs to rooted device. However you can root your device any time after flashing the firmware.
All the above pre-requisites are very important and must follow before proceed to installation guide. Hope you get all the above points. Now, go through the below tutorial to install Android 4.2.2 G3815XXUBML1 official firmware on Galaxy Express 2 SM-G3815.

How to Install Android 4.2.2 Jelly Bean Official Firmware on Galaxy Express 2 SM-G3815 through Odin:

  1. Download Android 4.2.2 XXUBML1 Firmware for Galaxy Express 2 SM-G3815 from the above list
  2. Download Odin 3.07
  3. Switch off your phone and boot Galaxy Express 2 SM-G3815 into Download Mode by pressing and holding the Volume Down+Home+Power buttons (long press until the boot screen appear), now press Volume Up key to proceed to Download Mode.
  4. Extract the downloaded Odin3.07 zip file and run the Odin3 v3.07.exe file as an administrator (Right click on the .exe file and click on Run as administrator)
  5. Now connect your Galaxy Express 2 SM-G3815 to your computer via USB cable
  6. In Odin3 screen, you should see a COM Port number like “0:[COM7]” at ID:COM section and “Added!” text at the message box. This means your device has been detected by Odin3.
  7. Make sure that, only the “Auto Reboot” and “F. Reset Time” options are checked.
  8. Now, extract the downloaded firmware zip file, you’ll find a firmware file with extension .tar.md5
  9. In Odin screen, click on PDA button and select the firmware file with .tar.md5 extension (The firmware file look something like: G3815XXDLJ5_G3815ODDDLI7_INU.tar.md5)
  10. Now, click on the Start button to begin the installation process, wait few moments.
  11. Once completed, you would see “PASS!” message in ID:COM port having green background
  12. Your phone should automatically reboot after completion
  13. You can now disconnect your phone from computer
  14. Finish
Congrats! you have completed the tutorial to update Android 4.2.2 Jelly Bean official firmware on Galaxy Express 2 SM-G3815. Hope you successfully done the update process. If you followed everything as mentioned in the above tutorial, then your Galaxy Express 2 SM-G3815 should now running on the latest Android 4.2.2 Jelly Bean build version XXUBML1. You can confirm the firmware update details from Settings-About Phone. If you stuck in any point or find any issue with the download link, then feel free to contact with us using the comment form below.


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