To help you find the exact version you need, could you tell me: What is the on the front of your box?
If the device hangs after an update, you may need to use an RS232 "loader" tool and a PC to force-flash the original dump file. Where to Find the Latest Download dvbs1506tv10otp0 new software
Do you have access to a and a PC, or are you limited to USB updates ? To help you find the exact version you
Plug the USB into the receiver. Navigate to Menu > Settings > Upgrade > USB Upgrade . Plug the USB into the receiver
Supports Wi-Fi via USB dongles (usually MT7601 or RT5370 chips). Resolution: Supports Full HD 1080p output. How to Install the New Software Safely
Place the .bin firmware file into the root directory of the USB (not inside a folder).