Try install DietPi and chose to transfer data to an external USB (config menu on DietPi) after reboot the system but it fail to load unbrick as said in instruction (via cable), but now only loads FriendlyWrt (ver. 21, 23, 24), Android and Poxmox (e-flasher to emmc) all other OS (Debian, Ubuntu, Open...

I check table for openwrt's hardware and find r5c support only snapshot (https://openwrt.org/toh/views/toh_available_16128 but r2s have a full support.
Is there any hope for full support openwrt on r5c at the near future?

may be usefull for somebody - this topic accumulate info for running homebridge with cc253xx Zigbee stick 1) flash dietpi (I use dietpi 9.5.1 - bullseye) to emmc - see wiki -> load from sdcard (use SD image of friendlywrt, not "flasher" image) -> flash via emmc tools on friendlywrt -> rebo...