Press and hold the on the TV panel (not the remote) and plug in the power cord.
You can often change the resolution or boot logo via the Service Menu by pressing Input + 2580 on your remote. Download CV338H A50 1920x1080 USB Tested part01 rar
Commonly used in brands like Lloyd, Croma, and various Chinese LED TVs. What’s Included Press and hold the on the TV panel
This download contains the (rar format). File Name: CV338H_A50_1920x1080_USB_Tested_part01.rar Installation Instructions (USB Method) What’s Included This download contains the (rar format)
Use a FAT32-formatted USB drive (8GB or 16GB recommended). Extract: Download and extract all parts of the rar file.
Release the button once the "Software Upgrading" progress bar appears on the screen.
If your Smart LED TV is stuck on the logo, restart-looping, or showing the "Android process has stopped" error, a firmware refresh is likely needed. This tested software specifically supports the mainboard with a Full HD (1920x1080) panel resolution. Mainboard Specifications Model: CV338H-A50 (Smart Android 3-in-1 Board) Resolution: 1920 x 1080 (Full HD) Operating System: Android Memory: Typically 512MB/1GB RAM