Do not turn off the TV until the process is 100% complete. The TV will usually restart on its own. ⚠️ Critical Warning
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
Look for technician-led sites like Kazmi Elecom which maintain extensive libraries of EcoStar firmware collections. Do not turn off the TV until the process is 100% complete