The FBI didn’t crack it. It was done by Cellebrite. I worked for Apple during the San Bernardino case. The suspect had an iPhone 5c, a model that did not have a Secure Enclave, and was vulnerable to brute force hacking through the Lightning Port. The Secure Enclave was released with the iPhone 5s, along with Touch ID, preventing peripheral access through the Lightning Port after the iPhone has been restarted.
The FBI didn’t crack it. It was done by Cellebrite. I worked for Apple during the San Bernardino case. The suspect had an iPhone 5c, a model that did not have a Secure Enclave, and was vulnerable to brute force hacking through the Lightning Port. The Secure Enclave was released with the iPhone 5s, along with Touch ID, preventing peripheral access through the Lightning Port after the iPhone has been restarted.