3 ms·I don't think so. They blocked common pins like 1234, 1111, 0000, etc.by thekyle 6y agoI don't think so. They blocked common pins like 1234, 1111, 0000, etc.genpfault 6y agoAlphanumeric PINs are all valid though, such as 'OOOO'.scatters 6y agoYes, 'aaaa' works. Sweet!