The FAQ states that "Standard delays for encryption key derivation are enforced by the secure element," which addresses BFU passcode entry delays. However, regarding AFU passcode entry delays, is the enforcement solely by the operating system, or does it also involve the secure element?
In iPhones, "The delays are enforced by the Secure Enclave," even in AFU mode. However, it's worth noting that Cellebrite has exploited the Secure Enclave to bypass this delay.