SPD USB Driver: The user of smartphones with SPD chipset will face several problems. Such as moving data from phone to Laptop, the firmware on flashing stock, etc. You need an SPD USB driver to run an SPD flash tool to solve those problems. ADB driver really can’t help you. You will flash SPD devices smoothly with both methods. Download the new edition of SPD USB Driver 2021 from here. It is supported by all smartphones with SPD chipset.