Fingerprint sensors are a modern technology through which the phone is unlocked very quickly, which means in the blink of an eye. This is a nice feature. Usually, mid-budget and expensive budget phones use this sensor. The Oppo F21 Pro 5G is a recently released smartphone with a fingerprint sensor.
The Oppo F21 Pro 5G is a very attractive smartphone from the Oppo brand. It comes with some popular features. The fingerprint sensor is one of its features.
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