For a while now we've seen many rumors and leaks regarding vivo's upcoming foldables, including the fact that the official unveiling should be taking place towards the end of this month. Today a new promotional poster has been leaked in China, and this not only confirms the rough timeframe, but gives us a date and a time as well. So, vivo's X Fold3 series will be announced on March 26 at 7PM local time. We're expecting two foldables this time around, a 'vanilla' X Fold3 as well as the X Fold3 Pro. According to past rumors, the former model will have the Snapdragon 8 Gen 2 on board...
Source: https://www.gsmarena.com/vivo_x_fold3_series_launch_date_leaks-news-62008.php