The firmware for this board is often split into multiple compressed .rar files due to its large size (approximately 600MB to 1GB).
To download and install the firmware, you must download all required archive parts—including part 3—to a single folder before extracting them to a FAT32-formatted USB drive. This firmware is specifically for the TP.HV553.PC821 Download Firmware HV553 PC821 UHD General Life part3 rar
: Use a tool like WinRAR or 7-Zip to extract part1 ; this automatically combines all parts into a single .bin firmware file. The firmware for this board is often split