The tablet was stuck in a bootloop. It would flash the QLink logo, a garish purple vortex, then die. Then flash. Then die. It had been doing this for six hours.
Rapidly tap the 5–10 times until the PC detects the device. Step 4: Start the Update qlink scepter 8 tablet firmware download
Request: “I need the stock firmware (ROM) for my QLink Scepter 8 tablet (provide model number) for a recovery flash.” The tablet was stuck in a bootloop