Power off the TV and insert the USB drive into a USB 2.0 port.
: Optimizes performance for 1GB RAM and 8GB ROM configurations.
: The firmware updates the system to Android 7.0 . Core Specifications : Chipset : Hi3751V553. Download allupgrade v553 sos part05 rar
: The standby light will blink rapidly during the update. Once it stops or changes color, the process is complete; restart the TV to finish the setup.
: Format a USB drive to FAT32 and copy the .bin file directly to the root directory (do not put it in a folder). Initiate Flash : Power off the TV and insert the USB drive into a USB 2
Press and hold the on the TV panel while plugging the AC cord into the wall outlet.
: Download all parts and extract the main file, which should be named exactly allupgrade_v553_sos.bin . Core Specifications : Chipset : Hi3751V553
motherboard. This hardware is a common 4K Android-based universal TV board used in various brands such as Ikon and other third-party manufacturers. Feature Overview : Designed for the TP.HV553.PC821