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Zero/install/eMMC aml tool

< Zero‎ | install
    Radxa Zero >  Install >  Install Android to eMMC using aml-flash-tool


The use of aml-flash-tool is deprecated. We no longer provide aml-compatiable Android image. Existing user should switch to raw image format to install Android on their Radxa Zero. Follow this guide only if the 3rd party image is specifically calling for this method.

Possible Issues

This may not work very stably. If you seeing some log like:



please try to run again.

Step1: Requirements

Host request: Ubuntu LTS version 14.04 and later, including 14.04/16.04/18.04/20.04.

Download and install aml-flash tool:

# git clone flash tool
git clone
# install dependency
cd aml-flash-tool

Download image from amlupdate_img and extract.

Step2: Flash amlupdate_img

Run Radxa-Zero into maskrom mode
  • Press and hold the button on the back side of Radxa-Zero before you plugin usb cable in the USB-PWR port.
  • If Radxa-Zero running in maskrom mode correctly, you will see following info when you execute lsusb command.
$ lsusb
Bus 001 Device 052: ID 1b8e:c003 Amlogic, Inc. USB DEVICE
execute command to flash
$ path_to_amlupdate_img/img_file