Lenovo a399 Firmware

In this page, we have shared Stock Firmware for Lenovo a399. If you own a Lenovo a399 smartphone and looking to download and install Stock Rom or Firmware then please follow the links and installation guide below.

All the following files would contain Lenovo a399, flash tool and flash file. After downloading process is completed, please follow the guide below to flash the Lenovo a399 firmware on your device.

Download Advan S3A Firmware

You can download latest flash files of Lenovo a399 from the download links below.

  • File Name: Lenovo a399.zip
  • File Size: 256 MB
  • Android OS Version: 4.2.2
  • Flash tools:
  • How to Flash:

How To Flash Lenovo a399 Stock Firmware

  1. Download & extract the Lenovo a399 firmware package on your computer.
  2. In the package, you will get USB Drivers, flashing tool, and firmware files.
  3. Now you need to Install the drivers on your PC. You may Skip this step incase you have the drivers installed on your compute already.
  4. Launch the firmware flashing tool.
  5. Now load the Lenovo a399 firmware files inside the flash tool.
  6. Connect your device to the computer using USB cable.
  7. Proceed with the firmware flashing process.
  8. You will get a success message post completion.
  9. Now you can disconnect your Lenovo a399 device from the PC and restart the device.


The Lenovo a399 firmware is helpful in updating the device to latest android version, unbricking the device, revert the device to stock, fix boot loop issues and other issues on your smartphone devices.

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