Samsung didn't have a strong presence at this year's MWC, at least as far as our phones are concerned. The Korean giant unveiled the excellent 9.7-inch Galaxy Tab S3 and a pair of Windows 10 convertibles, under the Galaxy Book moniker. The Galaxy S8 only got its launch date teased at the end of the event. However, as the smoke clears, we understood the company's upcoming flagship pair was brought to Barcelona and showcased to a limited number of people behind closed doors. Apparently, the same guests (mostly industry partners) were also treated to a few other early technology...
Source: http://www.gsmarena.com/samsung_demoed_some_interesting_new_display_tech_at_mwc_2017-news-24086.php