Do not use this software on M3602, M338, or Sunplus-based receivers. It is strictly for the Ali M1506LV reference design with OTP memory.
Format a USB drive to and copy the software to the root directory. Connect the drive to the receiver. Navigate to Menu > Settings > System Setup > USB Update . Dvbs-1506lv-v1.0-otp-s1 Software 2021
Avoid using "mod" or "patch" files from unverified sources, as they may contain bugs that cause frequent rebooting. Do not use this software on M3602, M338,