How to use SUT L3 Tool to Flash NB0 Firmware

Updated on February 2, 2020

These are the instructions to use the SUT L3 Tool to flash or install .nb0 stock firmware (ROM) on any Android Device.

Requirements: Your Android device should have at least 20-30 percent of battery to perform the Flashing Process.

Flash or Install .nb0 Firmware (ROM) using SUT L3 Tool

  1. Download and extract SUTL3 Tool. After Extracting you will be able to see the following files:
  2. SUT L3 Files
  3. Install SUTL3 Tool by using the setup.exe or launcher.exe on your computer.
  4. SUT L3 Setup
  5. Power Off your Mobile Device.
  6. Power Off Android Device
  7. Download the Stock Firmware (.nb0 or .ffu based) of your Mobile Device (if in case you have already downloaded the Stock Firmware, then SKIP this step or else you have find .nb0 based firmware on FirmwareFile or through Google).
  8. download
  9. Now, Open SUTL3 Tool (you have installed this in Step#3) on Your Computer and Click on Next Button to Continue.
  10. SUT L3 Shortcut SUT L3 Tool Launched
  11. Once SUT L3 Tool is launched, Click on […] Button and locate the firmware (should be .nb0 or .ffu extension).
  12. SUT L3 Tool Locate Firmware SUT L3 Firmware
  13. Once You have successfully added the firmware in the SUT L3 Tool, Select “Enable Emergency Download Process” under the update option.
  14. SUT L3 Firmware Added SUT L3 Update Option
  15. Now, Connect your Mobile Device to the Computer (make sure it is power off) and Click on Next Button to Begin the Flashing.
  16. SUT L3 Start Flash
  17. Now, SUT Tool will flash or install the firmware on your Mobile Device.
  18. SUT L3 Flashing
  19. Once Flashing is completed, you will be able to see Green Pass Status.
  20. Now, close SUT Tool and disconnect your Mobile Device from the computer.
  21. Congratulations, Now your Android Device is successfully running the Stock Rom you have Downloaded.

Readme Once:

[*] You can follow the above tutorial to flash all types of Intel and Mediatek Chipset Based Firmware (comes with .nb0 or .ffu extension).

[*] Take Backup: Take a Phone backup before using the Smart Phone Upgrade Tool as because during the flashing process, your data will be removed.

[*] The above tutorial allows you to Flash Stock Firmware on your Android Device without violating the Device Warranty.

[*] Credits: SUT L3 Tool is created and distributed by Intel, LLC. So, full credit goes to them for sharing the tool for free.

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