[noggin]

Hi all - thought I'd share my experience with the Hub and LibreElec.

1. Hub arrived, powered up to Android, installed my Google account, played around a bit.
2. OTA updated to current OTA firmware

3. Flashed a uSD card with LibreElec img from wrxtasy. SD card recognised on boot up with 'Press Power to boot from SD card' prompt, but come what may it wouldn't boot.

4. Did a total system recovery (wiping cache and factory data/reset and then updating from a different SD card with the recovery zip on it)
5. Rebooted and reset system (didn't bother adding Google Account - I seldom use Android)
6. Flashed a uSD card with the LibreElec img from wrxtasy again (I used a Mac and dd with /dev/rdiskN as the destination)
7. Rebooted and this time the Power Button prompt appeared AND worked to reboot me into LibreElec.

Thanks to wrxtasy for assistance in this!