Disconnect the power. Press and hold the on the TV panel, then plug it back in.

This is the first segment of a compressed archive. You will need all subsequent parts (part02, etc.) to successfully extract the full firmware file. How to Use This Firmware

The file "HV553 PC821 3840x2160 Ref90 Pakistan part01 rar" refers to for a specific type of Smart Android LED TV motherboard , the TP.HV553.PC821 .

Features built-in WiFi and an RJ45 connector for internet. Understanding the File Name HV553 PC821: The specific model number of the motherboard.

The standby light should begin , indicating the software update has started. Do not turn off the power during this process.

Once the blinking stops or the TV restarts, the software is updated.