If your TV does not respond to the USB installation method, the board's eMMC chip may be locked or corrupted. Technical service specialists must follow these advanced steps:
Before you begin, you must ensure you have the correct firmware. Some owners have reported that their TV stopped turning on altogether after flashing the wrong version. There is no official "undo" button.
A capacity size under 16GB is highly recommended to ensure maximum bootloader compatibility. hk.t.rt2831p738 firmware
March 2025 Tested on: Windows 11 23H2, Ubuntu 24.04 LTS, Raspberry Pi OS (Bookworm)
What the firmware contains
The board relies heavily on its eMMC flash memory module to load its Android-based operating system. Over time, thermal cycles and power fluctuations can corrupt the system files stored in this module, necessitating a clean firmware reinstall. Symptoms of Corrupted Firmware
If the TV menu works, navigate to Settings > System Update > USB Update . If your TV does not respond to the
Unplug the TV from the power source. Insert the USB drive into the TV's USB port (use the USB 2.0 port if there are multiple). Flash the Firmware:
| Firmware File | Tuner IC | Known to work with p738 PCB? | |-------------------------------|----------------|-------------------------------| | rtl2832u_default.fw | R820T | Partial (no DVB-T2) | | rtl2832u_mygica_t230.fw | Si2158 | Yes (with T2) | | rtl2832u_hk_t_p735.fw | R828D | No (different PLL) | | rtl2832u_august_t210.fw | R836 | Yes (Europe only) | There is no official "undo" button