Depends on the package used it may be possible to reprogram the UEFI chip in situ with test clips[1]. But of course one will still need to acquire a reprogramme

Depends on the package used it may be possible to reprogram the UEFI chip in situ with test clips[1]. But of course one will still need to acquire a reprogrammer and a know good copy of firmware. [1]https://www.digikey.com/product-search/en/test-and-measurement/test-clips-ic/2294786 https://www.digikey.com/product-search/en/test-and-measureme...