Gone are the days when you had to type passcodes to unlock your smartphones. Nowadays, it is all about either facial recognition or in-display fingerprint scanners. Optical in-screen scanners are one of the two types of in-screen scanner technologies currently being used (the other one being ultrasonic scanners). Optical scanners work by projecting light to illuminate the finger being placed on the screen. A camera or a sensor placed right under the screen will then grab an image of your digit which is cross-referenced against a version stored on the phone. If the two images match, your phone is unlocked. Let’s look at some smartphones employing this convenient unlocking technology.
If you are looking for a stylish flagship smartphone with an optical in-display fingerprint scanner, then the Oppo Find X2 is a great option to consider. It has a 6.7-inch curved OLED display that sports the fingerprint scanner, which should help with unlocking the phone quickly, and securely. The display supports refresh rates up to 120Hz, which should enable you to enjoy videos with fast transitions and movements in a stutter-free manner. At the back, it has an efficient 48MP triple camera setup, and at the front, it has a 32MP camera, enabling you to capture good quality pictures and videos. Finally, it runs on a Qualcomm Snapdragon 865 processor, which should deliver a robust performance even under challenging use-case scenarios, as per company claims.
The V17 Pro aims at making your selfie-game stronger with its pop-up dual camera. This offering from Vivo comes with an in-display fingerprint scanner that is quite fast and accurate. The unlock animations, as well as the on-screen icon for the scanner, can be customised which is quite uncommon. On the back of the phone are four cameras that are arranged in a module in the centre, making the V17 Pro phone with a total of 6 cameras! The slightly curved edges of the back make this an ergonomic fit for the curves of your hand and also give this smartphone a premium look.
The Snapdragon 855-powered Redmi K20 Pro is affordable yet faster than most other phones in its segment. When it comes to carrying out everyday tasks like browsing the web, shooting photographs or launching apps, the K20 Pro will do these at blazing fast speeds. The plusses on this phone are the three rear cameras, the big notch-less screen with a pop-up camera, an in-display fingerprint scanner and an intriguing design. It is also the first time that a Redmi phone comes with an AMOLED display. The fingerprint scanner on the K20 Pro is quite accurate and will unlock your screen fast making this (in all likelihood) your primary choice when it comes to an unlocking mechanism.
The OnePlus Nord 5G is a budget-friendly smartphone with many flagship-grade features like a display that supports a 90Hz refresh rate, a 48MP quad-camera setup at the back, a 32MP dual front camera setup and more. It sports a 6.44-inch display that has the optical in-display fingerprint scanner in it, which you can use to unlock your phone securely in an instant. Furthermore, the smartphone runs on a robust Qualcomm Snapdragon 765G processor, which should deliver a smooth performance under all kinds of regular use. Finally, it has a 4115mAh battery that should be good enough to power the smartphone through the day on a single charge, under optimal use, as claimed by the brand.