Samsung Galaxy S4 IV: Sensors Galore! HD

Whats Sensors does the Samsung Galaxy S4 IV, GT-i9505, GT-i9500 have? Get S4 in the USA: http://www.amazon.com/s/?_encoding=UTF8&camp=1789&creative=390957&field-keywords=samsung%20galaxy%20s4&linkCode=ur2&sprefix=samsung%20%2Cmobile%2C217&tag=inamghafoor-20&url=search-alias%3Dmobile Get S4 in the UK: http://www.amazon.co.uk/s/?_encoding=UTF8&camp=1634&creative=19450&field-keywords=samsung%20galaxy%20s4&linkCode=ur2&sprefix=samsun%20%2Caps%2C131&tag=inamg-21&url=search-alias%3Daps Senors Include: Gesture sensor Proximity sensor Gyro sensor Accelerometer Geomagnetic sensor Temperature / humidity sensor Barometer Hall sensor Rgb light sensor Sony XPERIA Z UNDERWATER Connectivity Tests: http://www.youtube.com/watch?v=HLly6iIVGJM Beats Audio HTC ONE: http://www.youtube.com/watch?v=E5ZTkJfblQk BEATS Vs HTC ONE EarPhone Comparison / Test: http://www.youtube.com/watch?v=OPia9VTiEZo Link to Playstation 3 Controller with Samsung Galaxy S3: http://www.youtube.com/watch?v=Bgc5cNnwihw Samsung Galaxy S4 IV Screen Comparison: http://www.youtube.com/watch?v=kL7lKDpLxyE ================================================ YouTube: http://www.youtube.com/user/inamghafoor Twitter: http://twitter.com/#!/inamghafoor Google+: https://plus.google.com/106675052633819587132/posts Facebook: http://www.facebook.com/profile.php?id=757383513 what sensors are used the samsung galaxy s4 iv gt-i9505, gt-i9500