FLS-PP F/W upgrade not working

I am using 2 FLS-PP with Home assistant / Zigbeeto MQTT Stack and recently my leds started to stay steady green upon powering up. I checked the forum and this looked to be the same behaviour as Hue Bridge V3 bug. i can power on/off, leds are steady green, but RGB light control or any other feature unresponsive via MQTT.

Did a full reset of FLS-PP, then reactivated old Rpi4 with Raspbee II gateway and attempted to upload new firmware 0x201000F8, via Deconz OTAU update , as doing so via HA/ZGBtoMQTT OTA upgrade was timing out.

On deconz, upgrade from 0x201000F5 is smooth with no errors in 9 minutes, but the FLS is not upgraded upon reboot. see screenshot. Resetting to factory and attempting the same make no change, firmware stay on same version. F/W file was downloaded directly from Dresden support site.

What do i miss here ?