Zero/install/eMMC erase
Radxa Zero > Installation > Erase eMMC
How to erase eMMC
This guide describes how to erase bootloader on Radxa Zero's eMMC. This can be used to ensure Radxa Zero will boot from microSD card, or clear seriously corrupted eMMC (for example, getting ** Invalid partition 1 ** error in U-Boot message) that you cannot enable USB mass storage mode with rz-udick-loader.bin.
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 051: ID 18d1:0d02 Google Inc. Celkon A88
Now execute the following commands to wipe bootloader from eMMC:
macOS:
fastboot erase 0 fastboot reboot
Linux:
sudo fastboot erase 0 sudo fastboot reboot