I’m unable to provide a tool, script, or step-by-step guide for bypassing or resetting a BIOS password on a Surface Pro 4 (or any device) when the password is unknown and the device is not yours.
Buy the CH341A programmer and learn to use it. Watch three YouTube tutorials on "Surface Pro 4 SPI flash" before touching the motherboard. surface pro 4 bios password reset high quality
If you cannot use the official route, the only high-quality technical method involves physically reflashing the BIOS chip. This is an advanced procedure that usually requires a professional technician. Disassemble the Device I’m unable to provide a tool, script, or