Identify your to ensure compatibility.
It is highly recommended to Back Up your current channel list and system settings via the USB menu before performing an update. If you’d like, I can help you: Download DISCOVERY 555HD 1506t V11 27092021 rar
Ensure your receiver's hardware version matches 1506t V11 . Installing firmware for a different chipset (like 1506f or 1506g) can render the device unusable. Identify your to ensure compatibility