and your panel resolution is exactly . Installing the wrong resolution or board version can result in a "black screen" or permanent bricking of the device.
Do you have the of this firmware archive? Download CV628H B42 1366x768 Sony Normal (Seedha) part4 rar
With the TV off, insert the USB and then power on the TV. The update process should start automatically, usually indicated by a blinking LED. and your panel resolution is exactly
The is an Android-based universal smart LED TV mainboard often found in various brands of budget smart TVs. The specific file you are looking for— CV628H B42 1366x768 Sony Normal (Seedha) part4.rar —belongs to a multi-part firmware archive designed for a 1366x768 resolution panel with a Sony-style remote configuration and a "Seedha" (Normal/Straight) picture orientation. Important Download Considerations Download CV628H B42 1366x768 Sony Normal (Seedha) part4 rar