While holding the on the TV (not the remote), plug the power cord back in.
: High-density 6-layer PCB with industrial-grade thermal management. Firmware Installation Guide (USB Method) Download CV638H B50 3840x2160 OBOIN Shanghai part1 rar
: Features integrated dual-band Wi-Fi (2.4GHz/5GHz), Bluetooth 5.2, and Gigabit Ethernet. While holding the on the TV (not the