Copy the extracted software to the root directory of a FAT32-formatted USB drive. Flash Firmware: Insert the USB into the TV's USB port. Press and hold the Power key on the TV panel.
Finding the firmware for the (which uses the TP.HV553.PC821 motherboard) requires downloading all parts of the split archive to successfully extract the update file. The "part06.rar" you are looking for is one segment of a larger multi-part compressed set common for 4K TV software due to the large file size of the 3840x2160 resolution firmware. Firmware Specifications Board Model: TP.HV553.PC821 Main Chipset: HI3751V553 Resolution: 3840×2160 Ultra HD OS Version: Android 7.0 Panel Support: 50, 55, and 65-inch panels Download & Installation Steps Download HV553 3840x2160 MAGIC 65JP65UASG part06 rar
Turn on the main power. The TV indicator light should begin blinking to signal the update is in progress. Copy the extracted software to the root directory