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: Not all VGA cables work for ISP programming. The cable must route the I²C (SDA/SCL) signals to the correct pins. If your device lacks a VGA port, you may need to build or purchase a jig that connects to the UART pins on the main board. mstar isp utility v475 download extra quality extra quality
: Connect the MStar USB jig to your PC and the TV’s VGA/ISP port. Initialize Utility : Open the ISP_Tool.exe and click the for unpacking firmware can be found on community
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: Select the program file and choose the appropriate load and read modes.