Look at the connected devices section at the bottom. One of the square icons should turn . This means the tablet is successfully connected in Rockchip bootloader mode.
Flashing a new ROM will erase all personal data, apps, and photos. Backup your data first. Firmware File: Download the .img or .zip firmware package.
You will need a reliable, FAT32-formatted MicroSD card (ideally 2GB to 32GB).
The device was notoriously easy to root using tools like Root Burner Tool .
Arnova 10d G3 has multiple hardware revisions (e.g., 10d G3 8GB, 16GB, with or without camera). Using wrong firmware causes hard brick.