Apple declined to create the software, and a hearing was scheduled for March 22. The work phone was recovered intact but was locked with a four-digit password and was set to eliminate all its data after ten failed password attempts (a common anti-theft measure on smartphones). The two attackers later died in a shootout with police, having first destroyed their personal phones. The Federal Bureau of Investigation (FBI) wanted Apple to create and electronically sign new software that would enable the FBI to unlock a work-issued iPhone 5C it recovered from one of the shooters who, in a December 2015 terrorist attack in San Bernardino, California, killed 14 people and injured 22. The most well-known instance of the latter category was a February 2016 court case in the United States District Court for the Central District of California.

These orders would compel Apple to write new software that would let the government bypass these devices' security and unlock the phones.

A few requests, however, involve phones with more extensive security protections, which Apple has no current ability to break. Most of these seek to compel Apple 'to use its existing capabilities to extract data like contacts, photos and calls from locked iPhones running on operating systems iOS 7 and older' in order to assist in criminal investigations and prosecutions.

received and objected to or challenged at least 11 orders issued by United States district courts under the All Writs Act of 1789. There is much debate over public access to strong encryption. The FBI–Apple encryption dispute concerns whether and to what extent courts in the United States can compel manufacturers to assist in unlocking cell phones whose data are cryptographically protected. An iPhone 5C, the model used by one of the perpetrators of the 2015 San Bernardino attack

Unlocking iphone