Zero/install/eMMC erase
Radxa Zero > Installation > Erase eMMC
How to completely erase the Radxa Zero eMMC
This guide describes how to completely erase Radxa Zero's eMMC. Unlike normal PC where they have a well established and documented way of booting, in embedded world it is a bit chaotic and everyone carries their own bootloader and boot sequence. As such it's best to wipe the eMMC completely and have a clean environment before flashing a new image to eMMC.
Requirement
- Radxa Zero
- A PC/laptop running Windows, Linux, or macOS
- USB A to C cable or C to C cable, depending on your host
Windows
First, follow maskrom guide to setup and load factory-loader.img:
You can then click Erase button to erase the eMMC.
Linux & macOS
First, follow maskrom guide to setup and load rz-fastboot-loader.bin.
You are now booted into fastboot mode. Check it by running lsusb:
Bus 001 Device 076: ID 18d1:0d02 Google Inc. USB download gadget Serial: 1234567890
Now execute the following commands to wipe eMMC:
macOS:
fastboot flashing unlock_critical fastboot flashing unlock fastboot erase bootloader fastboot erase bootloader-boot0 fastboot erase bootloader-boot1 fastboot reboot
Linux:
sudo fastboot flashing unlock_critical sudo fastboot flashing unlock sudo fastboot erase bootloader sudo fastboot erase bootloader-boot0 sudo fastboot erase bootloader-boot1 sudo fastboot reboot