Do you have the of your Gosonic TV to ensure this is the exact firmware required for your panel? You Can Update Your TV's Firmware With a USB Drive
The update may take 3 to 7 minutes. power off the TV or remove the USB drive during this process. Download RT2938P838 1920x1080 Gosonic Firmware part1 rar
: Turn off the TV and insert the USB drive into the USB 2.0 port . Do you have the of your Gosonic TV