How to unbrick and install stock firmware on Galaxy S8 Plus SM-G955F

This guide splits into two method first one is the method to download and install stock Android 7.0 Nougat based latest firmware on Galaxy S8 Plus SM-G955F. The other one is, how to un-brick Galaxy S8 Plus G955F and install stock firmware. Flashing stock firmware on manually via Odin is helpful, if you have accidentally bricked your device or return to stock firmware, or unroot it. Flashing the stock firmware firmware on Galaxy S8 Plus SM-G955F will install the complete factory settings on your device and latest firmware update.

The official firmware for Galaxy S8 Plus SM-G955F carries build number G955FXXU1AQDG, packed with April 2016 security patch with multiple improvements and bug fixes in over all firmware. We have posted the same tutorial for the Galaxy S8 G950F so the process remains the same because it has nothing to do with the change build number or Android version, all you need is an Odin tool along the firmware tar and a PC with latest Samsung USB drivers installed on it. You can flash the firmware belonging to any region on your device but you should be careful of device model before flashing the firmware.

Firmware details:

Device Name: Samsung Galaxy S8+

Model: SM-G955F

Version: Android 7.0 Nougat

Regions: Italy

Build Number: G955FXXU1AQDG

Android Security Patch Level: 1 April 2017

Build date: 25 April

Manually install stock firmware on Galaxy S8+ SM-G955F 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

Download latest version Odin 3.12.3 tool. Click here

Download stock Nougat G955FXXU1AQDG firmware for Galaxy S8 Plus SM-G955F. Here

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

Installation Process:

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 S8 Plus SM-G955F on G955FXXU1AQDG firmware, give us your feedback.

A Software Engineer by profession but a full time blogger. I am a passionate blogger who love to hang around modern gadgets and write latest news from the technology world.

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