Samsung Focus marketed by Samsung as being the only Windows Phone to feature a microSD card slot. The Focus was also released on November 8, 2010 on Rogers Wireless in Canada, Rogers handsets differ in appearance as they lack carrier branding instead having the Samsung logo appear at the top where the AT&T logo would normally appear. The Samsung Focus is no longer available on Rogers Wireless as of March 20, 2012. The successor to the Focus is the Samsung Focus S, released in November 2011, featuring a larger 4.3 inch Super AMOLED Plus display. The Samsung Focus Flash is also listed
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