Apple Reportedly Working on New iPhone Anti-Theft Detection Feature

Apple is reportedly developing a new security feature that could allow an iPhone to detect when it has been stolen and automatically lock itself before a thief can access the device.

The feature is aimed at addressing a common theft scenario known as "snatch-and-grab," where criminals take an unlocked phone directly from a user's hand and attempt to access apps, accounts, or personal data before the device is locked.

Why iPhones Are Frequent Targets

iPhones remain especially attractive to thieves because they hold their resale value better than many competing smartphones. Even older iPhone models can command strong prices on the second-hand market, making them a valuable target for criminals.

Trade-in data highlights this difference clearly. A used iPhone 15 Pro with 256GB of storage is valued at around $527, while a comparable Samsung Galaxy S23 Ultra is valued at approximately $295.

This strong resale value has helped make iPhone theft a persistent issue in major cities, particularly in cases where the device is stolen while still unlocked.

How the New Feature May Work

According to reports, the new protection system would rely on the iPhone's built-in accelerometer, which tracks movement, speed, and changes in direction.

If the device detects a sudden motion pattern that appears consistent with a theft attempt, iOS could immediately lock the screen. This would prevent the thief from continuing to use the phone even if it was unlocked at the moment it was taken.

The main challenge for Apple is accuracy. The system must be able to distinguish an actual theft from normal behavior, such as quickly raising a hand, moving the phone during a call, or making sudden gestures.

Extra Checks to Reduce False Alarms

Apple is reportedly considering several additional signals to make the feature more reliable.

One possible safeguard involves trusted locations. If the iPhone is connected to a recognized home Wi-Fi network, the system could lower its sensitivity or disable certain anti-theft responses.

Another possible method involves the Apple Watch. If the iPhone detects suspicious movement and then begins moving rapidly away from the owner's smartwatch, the system could treat that as a stronger sign of theft.

Stolen Device Protection Is Already Available

While the new detection feature is still in development, iPhone users already have access to an important security tool called Stolen Device Protection.

This feature is designed to protect sensitive data even if a thief knows the device passcode. When the iPhone is in an unfamiliar location, access to saved passwords, payment information, and other sensitive settings requires Face ID or Touch ID. The passcode alone is not enough.

Stolen Device Protection also adds a one-hour security delay for major account changes, such as changing an Apple ID password or turning off Find My. This gives the owner more time to lock the device remotely or mark it as lost.

How to Turn It On

Users can enable the feature by going to:

Settings → Face ID & Passcode → Stolen Device Protection

Once activated, Stolen Device Protection makes it significantly harder for thieves to take control of an iPhone, even in cases where the passcode has been compromised.