Updating via USB is the most common way to fix a "boot loop" or software "bug" when you cannot access the TV settings menu.
You can find the USB firmware for this specific board on community technician forums such as Lab One Inside , which hosts direct Google Drive links for the 1366x768 Atmaca versions. Step-by-Step Installation Guide (USB Method)
If your Smart LED TV is stuck on the logo, restarting constantly, or showing a blank screen, you likely need a firmware refresh. The is a popular universal motherboard used in various TV brands, especially those produced by Atmaca Electronics in Turkey under brands like Sunny and Axen. Download RT2841P631 1366x768 Atmaca Turkey part5 rar
Plug the TV back in. On many models, the update starts automatically, and the standby light will begin to blink rapidly.
The specific file you are looking for——is typically one piece of a multi-part archive. Updating via USB is the most common way
How to Fix and Update Your LED TV with HK.T.RT2841P631 Firmware
It is critical to match your TV’s native resolution. Using a 1080p firmware on a 768p panel can result in no display or a distorted image. The is a popular universal motherboard used in
Move the extracted firmware file directly to the root of the USB drive (do not put it in a folder). Initiate the Flash: Turn off the TV and unplug it from the wall. Insert the USB drive into the TV's USB port.