Apple is contesting an order that would require the company to assist the FBI in cracking by brute force the passcode of an iPhone 5c running iOS 9. The case in New York is seen as having a bearing on another high-profile case in California. Apple has said that its previous acquiescence to similar judicial orders does not mean it consents to the process. The government argues that courts have relied on the All Writs Act to mandate third-party assistance even in circumstances far more burdensome than what is requested in the New York case.”]
Source: https://www.computerworld.com/article/3041486/doj-appeals-new-york-pro-apple-court-order.html