This usually means the firmware version doesn’t match your hardware ID. Double-check if your box is a 1509G, 1509C, or 1509M variant.
Do not unplug the USB during the 3 seconds the write happens. If you do, you won't "brick" the device—you’ll turn it into a literal paperweight. 1509 Dvb-t2 512m Firmware Update
: Sunplus 1509 series (common in many budget DVB-T2 set-top boxes) . Memory : 512M (often 512Mbit DDR2 RAM). This usually means the firmware version doesn’t match
Format a USB drive to FAT32 and place the firmware file (often named or similar) in the root directory. Execution: Insert the USB, navigate to Software Update > USB Upgrade in the menu, and select the file. Critical Caution: and select the file. Critical Caution:
