Ensure you are using the firmware that matches your TV's panel resolution to avoid display issues. Complete TP HV553 PC821 Software Setup Instructions
Wait for the process to complete (the TV will typically reboot or the light will stop blinking). Board Specifications HI3751V553 (Dual Core A73) OS Android 7.0 Resolution 4K Ultra HD (3840×2160) Memory 1GB RAM / 8GB ROM Download HV553 PC821 CLEVER 55JP55UAS rar
Unzip the .rar file to find the binary firmware file (usually named allupgrade_553_sos.bin or similar). Ensure you are using the firmware that matches
Press and hold the button on the TV (not the remote) and plug the TV into the power outlet. Download HV553 PC821 CLEVER 55JP55UAS rar
Copy the file directly to the root of a FAT32-formatted USB drive. Flash Firmware:
