Fingerprint is the most popular, widespread, reliable and efficient biometric technology available today. More and more smartphone manufacturers use this technique in latest phone models and fingerprint scanner sensor becomes the standard element of most high-mid range smartphones, because of its unique papillary features, eve twins have different fingerprint. Nowadays, there are three major types of fingerprint scanners: capacitive, sweep and optical. The most used fingerprint type for smartphones is sweep that is relatively safe but is not easy to capture the fingerprint. The optical fingerprint will be the future for upcoming smartphones in 2016.