On this page, we are shared how to use SUT L3 Tools to flash NBO or FFU stock firmware on any android device.
Note: Your android device should have at least 20-30 percent of battery to perform the flashing process.
How to use SUT L3 Tool to flash firmware:
Step 1: Download and extract SUTL3 Tool. After extracting, you will be able to se the file.
Step 2: Install SUTL3 Tools on your computer.
Step 3: Power Off your android device.
Step 4: Download the Stock Rom ( NBO or FFU ) that you want to flash on your android device.
Step 5: Now, Open SUTL3 Tool ( you have installed on Step3) on your computer and click on NEXT button to continue.
Step 6: Once SUTL3 Tool is launched, click on […] button and locate the firmware ( should be .NBO or .FFU extension)
Step 7: Once you have successfully added the firmware in the SUTL3 Tool, select “Enable Emergency Download Process” under the update option.
Step 8: Now, Connect your android device to the computer (make sure it is power off) and click on NEXT button to begin the flashing.
Step 9: Now, SUTL3 Tool wil flash the firmware on your android device.
Step 10 : Once flashing is completed, you will be able to see Green Pass status.
Step 11: Now, close SUTL3 Tool and disconnect your device from the computer.
Congratulations, now your device is successfully running the stock rom you have downloaded.
1. You can follow the above tutorial to flash all types of intel and mediatek chipset based firmware ( come with .nbo or .ffu extension)
2. Take Backup: Take a phone backup before using the smartphone upgrade tool as because during the flashing process, your data will be remove.
3. The above tutorial allows you flash stock firmware on your android device without violating the device warranty.
4. Credits: SUT L3 Tool is created and distributed by intel, LLC. So, full creatit goes to them for shareing the tool for free.