Once the software successfully installs and the machine reboots, perform a factory refresh to clear out lingering invalid parameters:
Before downloading or installing any binary flash file, you must ensure that your set-top box matches these explicit core board configurations. Installing a 512M firmware on a 256M variant will permanently block or brick the device hardware. Technical Specification Sunplus SPHE 1509 series (e.g., 1509C, 1509G, 1509M) Broadcasting Standard DVB-T2 Terrestrial (H.264 / MPEG-4 AVC) RAM Configuration
Multichannel formats including Dolby Digital and Dolby Digital Plus
Do not rely solely on the board number "1509." Before downloading, open your box and look for: firmware 1509-dvbt2-512m
Always open the plastic casing of your receiver and read the silkscreened text printed directly on the green circuit board (e.g., DVB-T2_1509_V1.3 ). Match your firmware download to this specific board number, not the plastic brand name printed on the box exterior.
Once the status bar reaches 100%, the box will restart automatically. Immediately re-enter the system menu and select Restore Factory Default using the master code 000000 or 8880 to flush out lingering configuration caches. Run an auto-search to lock onto your regional TV channels.
Navigate to , Tools , or Upgrade (wording varies by manufacturer). Select USB Upgrade or S/W Upgrade via USB . Choose All Code or Firmware as the upgrade mode. Select your .bin file and press OK or Start . Step 3: Wait for Completion Once the software successfully installs and the machine
The firmware reset the remote codes. Fix: Unplug the receiver for 5 minutes. Reinsert batteries. If still not working, try a universal remote set to code 1352 (common for these chipsets).
Usually, no. The memory layout is different. The 512M designation in the file name is important.
Disclaimer: Firmware flashing carries risks. This article is for informational purposes. The user assumes all responsibility for any damage resulting from applying software to their devices. Match your firmware download to this specific board
Tuning and signal handling
Verify your serial number and chipset version (Sunplus 1509) in the System Information or About menu. Prepare the USB Drive: Download the official flash.bin or .abs firmware file.
: Open the programmer software on your PC, backup the existing corrupted dump file, execute a "Erase" command, load your fresh 1509-dvbt2-512m.bin file, and click Write/Program .