Samsung unveiled the Galaxy S6 at Mobile World Congress 2015 which took place between March 2 and March 5, 2015. The new flagship was actually released on April 10, 2015, and that too in only 20 countries initially. The rumor suggests that while Samsung might unveil the Galaxy S7 variants at MWC 2016 on February 21, 2016, it may release them in the United States on March 11, 2016. The US is almost always on the list of initial launch markets so even though this rumor mentions the release date only for one country, it's likely that the handset may also arrive in other countries on or around March 11. Since this information comes from an unofficial source it's best to not believe it to be completely true, rumors aren't always spot on, but it's plausible because it wouldn't make any sense for Samsung to make customers wait for a very long time once it has unveiled its next flagship Galaxy S series smartphones.
