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Home › How to Flash Stock ROM using SUT L3 Tool

How to Flash Stock ROM using SUT L3 Tool

These are the complete step by step instructions on how to flash stock ROM using SUT L3 Tool on Android smartphone or tablet on a Windows computer.

Flash stock firmware using SUT L3 Tool - How to Flash Stock ROM using SUT L3 Tool

Before proceeding to flash stock firmware using SUT L3 Tool, it is recommended to follow the preparation steps listed below for smoother flashing experience.

Preparation:

  • It is recommended to take a backup of your data to a safe place, as flashing firmware using SUT L3 Tool will wipe all of your data and settings.
  • Make sure your Android phone or tablet is sufficiently charged before flashing the firmware. It is recommended to have at least a 40-50% percent battery to perform the flashing process.

How to Flash Stock ROM Using SUT L3 Tool

Step 1: Download and install the required Android USB Drivers on your computer. If you already have the suitable USB drivers installed for your device, then you can skip this step.

usb - How to Flash Stock ROM using SUT L3 Tool

Step 2: Download and extract Android Firmware for your smartphone or tablet from here on to your computer.

Step 3: Download and install the SUT L3 Tool on your computer from here.

SUT L3 Launcher - How to Flash Stock ROM using SUT L3 Tool

SUT L3 Tool Setup - How to Flash Stock ROM using SUT L3 Tool

Step 4: Once the SUT L3 Tool is installed, go to C:\Program Files (x86)\SUT L3 and run the SoftwareUpdateTool.exe file.

Open SoftwareUpdateTool.exe  - How to Flash Stock ROM using SUT L3 Tool

Software Update Tool - How to Flash Stock ROM using SUT L3 Tool

Step 5: Once the SUT L3 Tool launches, click on the “Next” button to continue.

SUT L3 Tool - How to Flash Stock ROM using SUT L3 Tool

Step 6: Now click on Browse […] button and locate the .nb0 or .ffu firmware file.

SUT L3 Tool Browse Firmware - How to Flash Stock ROM using SUT L3 Tool

SUT L3 Tool Select Firmware - How to Flash Stock ROM using SUT L3 Tool

Step 7: Once the firmware is successfully added in the SUT L3 Tool, select “Emergency Download” from the Update Option.

SUT L3 Tool Firmware Added - How to Flash Stock ROM using SUT L3 Tool

SUT L3 Tool Update Option - How to Flash Stock ROM using SUT L3 Tool

Step 8: Now Power off your Android phone or tablet and connect it to the computer using a USB data cable.

Connect Mobile to Computer - How to Flash Stock ROM using SUT L3 Tool

Step 9: Now, in SUT L3 Tool, click on the “Next” button to start the flashing process.

SUT L3 Tool Start Flash - How to Flash Stock ROM using SUT L3 Tool

Step 10: Once the SUT L3 Tool detects your device, it will start flashing the firmware.

SUT L3 Tool Flashing Firmware - How to Flash Stock ROM using SUT L3 Tool

Step 11: Once the flashing process is completed, you will see a Green Pass status.

Step 12: Now close the SUT Tool and disconnect your Android phone or tablet from the computer and reboot the device.

Congratulations! Now you have successfully flashed stock ROM firmware using SUT L3 Tool on Android Smartphone or Tablet.

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