This board is common in budget-friendly satellite receivers across South Asia, the Middle East, and Africa. The "OTP0" designation usually indicates a One-Time Programmable memory configuration or a specific hardware revision. Manufacturers often release 2023 updates to address: Updates for Ecast, DLNA, and MeeCast.
Because this is a generic board used by many brands, you must ensure the firmware matches your specific remote control and tuner configuration. Downloading the wrong file can "brick" your device (make it unbootable). Navigate to Menu > Settings > System Information . Confirm the "Hardware Version" matches DVBS1506TV10OTP0 . Reputable Sources: dvbs1506tv10otp0 new software 2023 link
Double-check that the file extension is .bin and the USB is FAT32. This board is common in budget-friendly satellite receivers