Look for technician-led sites like Kazmi Elecom which maintain extensive libraries of EcoStar firmware collections.
If your TV is functional enough to access menus, or if you are performing a "forced" USB recovery, follow these general steps found in technical guides : Download Ecostar 49U565 Software rar
While there is no "essay" for a software file, I can guide you through the process of finding and installing the EcoStar 49U565 software Look for technician-led sites like Kazmi Elecom which
Before downloading any software, verify that the firmware matches your TV’s mainboard number (e.g., TP.HV530.PC821). Using software meant for a different board version—even if the model number (49U565) is the same—can "brick" your TV, making it permanently unusable. How to update any Samsung TV's firmware using a USB drive How to update any Samsung TV's firmware using
Do not turn off the TV until the process is 100% complete. The TV will usually restart on its own. ⚠️ Critical Warning