Fingerprint sensors can be seen in many smartphones nowadays. This is a modern technology through which the phone is unlocked very quickly. This is a nice feature. Usually, the present generation smartphones use this sensor. The Oppo K9x also supports the fingerprint sensor.
Oppo K9x smartphone is a very attractive smartphone of the Oppo brand. As the last generation smartphone, the phone supports the fingerprint sensor. It allows you to unlock your phone by placing your finger at a specific place.