Searching for “lddh350aa75 firmware link” in a standard search engine often returns three types of dangerous results:
Golden rule of firmware: If the file does not come from
https(SSL) on the original device manufacturer’s domain, do not flash it. lddh350aa75 firmware link
If you have a physical device or board with lddh350aa75 printed on it: Searching for “lddh350aa75 firmware link” in a standard
dfu-util -a 0 -D lddh350aa75_firmware_v2.1.bin -s 0x08000000:leave