Macbook T2 Bypass Free [new] Here

Most legitimate "free" bypasses rely on the hardware exploit. This is an unpatchable bootrom vulnerability found in A-series chips (which the T2 is based on).

On older Macs (pre-2017), you could short two pins on the SPI ROM flash chip to reset the EFI password. This was a physical bypass. Macbook T2 Bypass Free

The T2 chip is vulnerable to the same used to jailbreak older iPhones. Some developers offer free scripts or tools based on this vulnerability: Most legitimate "free" bypasses rely on the hardware exploit