Hxc-fw-installer.hex: =link=

The device screen should show the update progress. Do not power off until the screen indicates the update is finished or the device reboots.

The SD card slot has a poor connection, or the card is not formatted as FAT32 (or MBR partition table). Hxc-fw-installer.hex

chip). Once this installer is flashed to the device, it provides the HxC bootloader The device screen should show the update progress

Double-check every connection. A reversed SWDIO/SWCLK will fail silently. Hxc-fw-installer.hex