Samsung Knox of work and personal data on mobile devices and "addresses all major security gaps in Android." Knox features hardware security features that are built into the device at the factory, including: ARM TrustZone and a bootloader ROM. Samsung Knox devices also use an e-fuse to indicate whether or not an "untrusted" (non-Samsung) boot path has ever been run. The e-fuse will be set if the device is booted with a non-Samsung bootloader, kernel, kernel initialization script or data. Rooting the device and installing a non-Samsung Android release will, therefore, set the e-fuse. Once the e-fuse is set, a device can
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