If you're ever in a situation where you're concerned about unauthorized biometric use of your iPhone, such as someone holding your iPhone up to your face to unlock it with Face ID, or for downloading the app https://apps.apple.com/us/app/call-recorder-for-iphone/id1503665233 in App Store, someone forcing you to place your finger on Touch ID. Sensor to unlock the iPhone, you can prevent unauthorized access to the iPhone using the hard lock trick. Hard-locking an iPhone disables the iPhone's biometric access features, such as Face ID and Touch ID, and forces the iPhone to require a passcode to unlock the device. In theory, this could be useful in many situations, such as crossing a foreign border or dealing with a legal authority.
Most people don't know about hard locking your iPhone, but luckily it's an easy trick and master, and you can do it all discreetly from your pocket, so you don't even have to take out your iPhone and play it. that.
Lock iPhone with Face ID
Lock iPhones: Press and hold the power button and each volume button for about 2-3 seconds. You will feel a haptic response and the screen will show "Slide to Power Off" and Emergency.
Since you only need to press the power and volume buttons for a few seconds, you can easily do this from your pocket or purse, or bag, just hold the buttons until you feel the haptic vibration or see the "Slide to Power Off" screen.
This is a handy trick that every iPhone user should know, and we reminded DaringFireball about it, who offers the following advice:
“The second thing is to know your rights. Never give your phone to the police or anyone who looks vaguely like a police officer, such as TSA officers. If they say you have to, say no. They can and will lie to you about it. If you really have to give it up, they will take it away from you. And they can't get anything out of it because you've already locked it and you know you can't be forced to give them your passcode."
DaringFireball also pointed to a recent situation where someone's iPhone was searched using Face ID. to unlock the device, giving authorities full access to the device and its contents.
So if you are worried about unauthorized biometric use of your iPhone, you should at least learn to use the Hard Lock function because you can lock the iPhone separately in your pocket or bag. Or you can just use the iPhone without Face ID, which basically means just entering a passcode to access your iPhone every time, like how previous iPhone models worked before biometrics.
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