Galaxy J3 2017 official Android 7.1.1 Nougat build J3308ZMU1AQG3 [Tutorial]

Finally Samsung started rolling out Android 7.1.1 Nougat OTA to Galaxy J3 2017 in China. The update rolls arrives as build number J3308ZMU1AQG3 that bumps the Android version from Android 7.0 Nougat to Android 7.1.1 Nougat on Galaxy J3 SM-J3308 and also installs July security patch as well. The update took start from China and it seems other variants are soon going to get the update in other regions.

The update is live via OTA so if your device is not rooted then you are going to receive the OTA notification any time soon else you can follow the Odin or Kies method below. This guide is helpful to all those users who have accidentally bricked their device or return to stock firmware from any custom ROM.

You can also update new firmware using Samsung Kies, here we have posted a guide to update firmware via Kies on Galaxy J3 SM-J3308

Firmware details:

Device Name: Samsung Galaxy J3 (2017)

Model: SM-J3308

Version: Android 7.0 Nougat

Region: China (China Mobile)

Build Number: J3308ZMU1AQG3

Android Security Patch Level: 01 July 2017

Manually install J3308ZMU1AQG3 stock Nougat on Galaxy J3 SM-J3308 via Odin

Disclaimer: Follow the guide on your own risk, the writer would not be responsible if you damage your device during the firmware installation process nor we are forcing you to perform the flashing process. Don’t proceed if you can’t follow the instructions carefully.


Your device should be charged 70% at minimum to avoid shutting down during the process.

Enable USB Debugging. Go to Settings > Developer Options > Enable USB debugging

Official Nougat J3308ZMU1AQG3 firmware for Galaxy J3 SM-J3308. Download

Extract the firmware file in a specific folder on your PC.

Process to install J3308ZMU1AQG3 stock Nougat on Galaxy J3 SM-J3308

Now turn off your device completely.

Reboot your device into Download Mode, to do so follow this guide

Once in download Mode, follow this guide to update the firmware via Odin.

That’s it! If you have successfully updated your Galaxy J3 SM-J3308 on Nougat J3308ZMU1AQG3 firmware, give us your feedback.