Avvio A400 stock firmware flash file

Download Avvio A400 official stock firmware from the link here, and follow the provided flashing instructions to learn how to flash the stock rom.

If you notice that any of the links provided below is broken or doesn’t work, please post in comments section so we fix and update it ASAP.

Download Options

File Name: Avvio_A400_V1.00_20170821_7.0.zip
Size: 1.39 GB
Android version: 7.0
Firmware – Download

How to flash

After downloading the Flashtool firmware, follow the instructions here to flash.


  1. wilson June 25, 2020
  2. ateknik February 20, 2020
  3. NICOLAS June 30, 2018
  4. roko March 5, 2018
    • Darwin Osma June 8, 2018

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