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.
Updating via USB is the most common way to fix a "boot loop" or software "bug" when you cannot access the TV settings menu. Download RT2841P631 1366x768 Atmaca Turkey part5 rar
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. If your Smart LED TV is stuck on