But it seems that Xiaomi has forgotten one in its operating system debug application, which records in real time what the fingerprint sensor can see at that moment.
Οfingerprint sensor below the screen it is about a additional "camera" literally, which sees and analyzes the biometric data of the user.
But apparently a Reddit user was wondering what exactly this camera sees below the screen, resulting in the worst selfie camera that never came out.
The user, owner of the device Xiaomi Mi 9T, download the application Activity Launcher, which gives users access to hidden device menus, such as factory tests. But it seems that Xiaomi has forgotten one in its operating system debug application, which records in real time what the fingerprint sensor can see at that moment.
A Redditor found a hidden activity on a Xiaomi phone that lets you see the raw feed from Goodix's optical under-display fingerprint scanner.https://t.co/RKpjDTdgzG
OEMs really shouldn't be leaving these debug apps in production builds… pic.twitter.com/fnEpvPZtol
- Mishaal Rahman (@MishaalRahman) August 10
Obviously the resolution is not ideal, as it is not a real camera in the sense of taking photos. But the fact that only one third party application was able to access such an important part of the device raises questions.
We tried to verify the above on a device Motorola edge with Android 10, but there is no corresponding debug app.
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