Using a toothpick or an unbent paperclip, press and the Reset button down.
This paper explains the RK322x-based Android TV box platform, describes the RK322x-Box 7.1 firmware identified as NHG47K, summarizes methods to obtain and verify firmware, provides a step-by-step installation procedure, discusses common issues and troubleshooting, and outlines security and legal considerations. It is intended for technical users who maintain or update RK322x-based devices. android rk322x-box rk322x-box 7.1 2 nhg47k firmware download
Boot the device back into Loader mode and flash the image using the option instead of "Upgrade" to guarantee a clean data wipe. Using a toothpick or an unbent paperclip, press
The build.prop configuration for this specific firmware version uses these underlying system properties: Generic RK322X (rockchip-rk322x) - postmarketOS Wiki provides a step-by-step installation procedure
Here is a reliable method using AndroidTool v2.84 or similar: