This tutorial will help you restore any or all the changes you have made to the system and also revert it back to stock or factory images. This guide will also help you unbrick your Samsung Galaxy S7 device if the Download/Odin Mode is accessible on your Galaxy device. This is a usual Odin flash method common to almost all Samsung Galaxy devices. All you need to do is download the proper firmware file for your Galaxy device and flash it using Odin for PC. Yes, you will need to connect your device to your PC running Odin. This is not an official process, though, but it is a common practice among Samsung users who like to tinker with their Android device.

Full stock firmware downloads for Samsung Galaxy S7 and S7 Edge SM-G930F, G930T, G935F, G930W8 etc. are now available. We will be updating this post as more files are available.

Downloads S7 Firmware Files

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• Samsung Galaxy S7 SM-N920F → Download | Mirror
• Samsung Galaxy S7 SM-N920T → Download
• Samsung Galaxy S7 Edge SM-N920F → Download | Mirror
• Samsung Galaxy S7 Edge SM-G935W8 → Download
• Odin Software → Download [Mirror]
• Samsung Galaxy Drivers → Download 

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Warning: Although going through this procedure should not cause harm or any damage to your device, it remains an unofficial process and you should be cautious about it. Reader’s discretion is advised.

Prerequisites

1. Verify your device for compatibility. Check out the download section.

2. Enable USB Debugging on your device. To do so, go to Settings>About Phone> Tap on the Build Number several times until you get a new Developer Options in the Settings. Open Developer Options and enable USB Debugging from there. Trust the connection by allowing it when you connect it to your PC for the first time.

3. Make sure you have latest device drivers setup on your PC for a better connection. Get it from the download section official from the manufacturer.

4. Backup everything before you proceed. Odin performs a clean install, that you will lose apps, data, media, etc.

How to Restore to Stock Samsung Galaxy S7 and S7 Edge

Step 1: Download the listed firmware for your Galaxy device. Extract the zip file to get the firmware with .taror .tar.md5 extension and place at a location where you can easily locate it in your PC. 

Step 2: Now boot your device into Download/Odin Mode. To do so, turn off your device completely and then press and hold Power button + Volume Down + Home keys for a few seconds. If you see a warning sign press Volume up/ Volume down to get the Odin screen.

Step 3: If you already have Odin software on your PC then simply run the Odin3_3.10.7.exe file. If not, then download the Odin3.zip file from the download section and extract it. Run Odin software as administrator.

Step 4: While your device is still in the Odin Mode, connect your device to your PC using a USB cable.

Step 5: After a successful connection, the ID: COM in the Odin should turn Blue and an Added!! message should be displayed in the Log tab. In case your device doesn’t show up in Odin, then you can troubleshoot it with the steps given at the end of the tutorial.

Step 6: Now click on AP button and add the firmware file by navigating to the file path. Once added, it should show like this — File Path\G930FXXU1APAW_G930FXSA1APAW_XSA.tar.md5

Step 7: Take care that only Auto Rebootand F.Reset Time are selected in the Options tab. Do not check Re-Partition.

Step 8: Once done, verify everything and proceed with installation by selecting Start button.

Step 9: When you get a PASS! message in the Log tab on your Odin software, that means firmware has successfully been installed and the device will restart itself. If not then reboot manually.