<ul data-eligibleForWebStory="true">iPhone Stolen Device Protection enhances security for accounts and financial data if the handset is stolen along with its passcode.Activation of this security feature is discussed along with its importance in deterring criminals.The feature in iOS 17 and iOS 18 aims to prevent muggers from accessing personal information on stolen iPhones.Advantages include a wait time and use of Face ID/Touch ID to change the Apple ID passcode, limiting a thief's access.The protection is active when the iPhone is away from designated locations to avoid inconvenience.Stolen Device Protection also prevents access to saved passwords, erasing the device, and applying for an Apple Card without Face ID.Activation involves navigating to Settings > Face ID & Passcode, scrolling to Stolen Device Protection, and enabling the feature.Deactivating the protection requires Face ID verification and a waiting period to prevent quick changes by unauthorized individuals.