URL: [https://docs.radxa.com/som/cm/cm4/low-dev/install-os/rkdevtool_emmc](https://docs.radxa.com/som/cm/cm4/low-dev/install-os/rkdevtool_emmc) Time: 6/20/2026, 12:38:20 PM The device is not flashing from the both sd card and the usb
URL: https://docs.radxa.com/som/cm/cm4/low-dev/install-os/rkdevtool_emmc
Time: 6/20/2026, 12:38:20 PM
The device is not flashing from the both sd card and the usb