Firmware — Hi3798

: Use a toothpick or paperclip to press and hold the hidden Reset button (usually located inside the AV jack or on the bottom of the device).

: Open the box casing and connect a TTL serial cable to the TX, RX, and GND pins on the motherboard. Connect the other end to your PC.

If you provide the exact manufacturer and model number, I can try to help you narrow down the correct, updated firmware file. Share public link hi3798 firmware

What are you trying to install (e.g., Android TV, Linux, OpenWrt)? Are you trying to fix a broken device or upgrade features? Share public link

If you want deeper technical details (bootlog analysis, preloader/U-Boot source examples, device-tree fragments, kernel driver internals, or how to load VPU firmware blobs), tell me which specific area (bootloader, secure boot, kernel drivers, VPU firmware, partition layout, or recovery) and I will provide targeted, low-level examples and commands. : Use a toothpick or paperclip to press

Many users host firmware collections on Google Drive for specific hardware IDs. How to Flash/Update

To help find the exact software or recovery files needed for your specific setup, please share a few more details: If you provide the exact manufacturer and model

Generic HI3798 firmware looks like a phone launcher on a TV. You can upgrade to a true Android TV (Google TV) interface.

To help find or build the exact software package you need, tell me: What is the of your TV box or board?