The interface will be sparse. Click the button (often a gear icon or a button that says "设定"). The password is typically blank or 123456 or 111111 . If prompted, try 320 (a common FirstChip debug password).
Essential for hardware tinkerers and IT professionals; a fascinating curiosity for the average user. Download wisely, follow the steps carefully, and always remember—your data is safer on a brand-name drive with a proper warranty. Keywords used: firstchip chipyc2019 mp tool new, FirstChip recovery, USB flash drive repair, mass production tool, ChipYC2019 controller, 0MB fix, flash drive firmware, low level format USB. firstchip chipyc2019 mp tool new
Using the tool on your own hardware is typically considered fair use for repair. Using it to "refurbish" e-waste and resell it as new is unethical and potentially illegal (fraud). The interface will be sparse