Samsung Galaxy Tab S4 to its predecessor. As a result, the Tab S4 no longer features a fingerprint sensor or navigation and home buttons, and uses a facial and iris scanner instead. The front-facing selfie-camera has been upgraded to 8 megapixels and can record in 1080p resolution. The four stereo speakers have also been tuned by AKG and support Dolby Atmos surround sound. The front and back glass uses Gorilla Glass 3 and the front doesn't have the Samsung logo. The Tab S4 comes with Samsung Experience 9.5, which is based on Android 8.1 Oreo. New features include Samsung Knox protection and a Daily
Samsung S2 T-Mobile, Galaxy S2 Epic 4G, Galaxy S Showcase, Droid Charge and Galaxy Prevail) in the United States which has been denied by the court. In 2015, Samsung has been granted more U.S. patents than any other company - including IBM, Google, Sony, Microsoft and Apple. The company received 7,679 utility patents through 11 December. On 2 August 2016, Samsung Electronics unveiled the Galaxy Note7 smartphone, which went on sale on 19 August 2016. However, in early September 2016, Samsung suspended sales of the phone and announced an informal recall. This occurred after some units of the phones had batteries