Always read and save the original dump before writing new firmware.
To connect your programmer (like RT809H, UFPI, or EasyJTAG) to the IRIS 32E3 motherboard, you need to solder wires to these specific points: Clock signal for data timing. CMD: Command signal for operations. D0: Data line (Data 0) for transfer. GND: Common ground. VCC (3.3V): Power for the eMMC controller. VCCQ (1.8V): Power for the eMMC interface. Download IRIS 32E3 EMMC Pinout rar
⚠️ Always use short, high-quality wires to ensure stable data transmission during the read/write process. Download Links Always read and save the original dump before
You can download the pinout diagram and related flash files in .rar format from the links below: Download IRIS 32E3 Dump File (RAR) How to Use the ISP Pinout D0: Data line (Data 0) for transfer
If you can share the (e.g., TP.MS3663S.PB818), I can help you find the exact firmware version.