The USB Logo is the WebOS Recovery Mode. It is use to load boot images (uImage ) using a computer with the Novacom drivers, example the ToolBox, TP Debrick or Recovery. The USB Logo ( WebOS Recovery can not be used to flash any Android Roms, also will not be visible in the PC as a storage drive.I just pulled this out of the cupboard.. after 24 hours charging, I can turn it on. It is running Android ICS - but haven't touched it in years. Got to boot up with the USB logo... but can't see the device. Help! I've got all the Novacom drivers and TP... I even put the ROM onto the tablet via Google Drive, but can't seem to write the new Android 9.0 ROM to the tablet.
To flash Android 9, the Recovery TWRP 3.2.1 must be use to flash the ROM.
Android 9 is set to use a swap partition same as WebOS does.
The easiest way to make the Tablet 100% Android with TWRP 3.2.1 is by flashing Wipe_All.
Also it can be loaded using this guide:
To flash Wipe_All, the ISO can be loaded in a virtual Machine and use that way.
If the Novacom Driver is fully working on Windows, then use this guide: