The iPhone 7 is set to come out next year, and could include a fingerprint-activated panic button, according to a patent approved this week.
The patent, filed in May last year, details how the fingerprint sensor could be programmed to alert help in times of emergency.
"The mobile device may be unlocked using a designated finger that activates a panic mode of operation, wherein personal data stored on the mobile device is not accessible or viewable to the user," states the patent.
The 'panic button' can be programmed to do several things, such as activate the phone's camera and microphone, lock personal information, or act as a beacon to alert nearby devices about distress.
Fingerprint technology has been used in Apple devices since the release of the iPhone 5S in 2013, mainly to unlock the phone.
The patent goes on to say: "In other implementations, the user may register particular fingerprints to be associated with different modes of operation and activate the different modes based on the particular fingerprints."
It suggests Apple is looking at expanding the functions of the fingerprint technology. However, an approved patent does not guarantee the feature will be on the next iPhone.
Apple devices already have a 'Find My iPhone' function. This allows users to trace where their missing iPhone is on a map, through the iCloud service. They are also able to remotely wipe the device of all data through the same service.
Last week, Huawei announced it would add a similar feature to new smartphones. Huawei mobile devices will now be embedded with Rapid Response, a mobile app that transforms devices into an emergency panic button.
Using location-based services, including near-field communications technology, Rapid Response will be able to alert emergency services providers such as ER24, a contracted security company, or personal contacts that an emergency has occurred.
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