: Keep a backup of your original firmware before upgrading. Use a spare 8MB flash reader and copy the bin from the receiver via serial port. Once overwritten, you cannot recover the OTP area.
: Improved support for YouTube and IPTV applications. Dvbs-1506lv-v1.0-otp-s1 Software 2021
Your current firmware and the new one must have the same Customer ID. You can check this in Menu > System Information . : Keep a backup of your original firmware before upgrading