The June security update for Galaxy Z Flip 5G is rolling out in various European countries with firmware version F707BXXS3DUE1. More specifically, it is heading to Austria, the Baltic region, Bulgaria, the Czech Republic, France, Hungary, Italy, the Nordic countries, Poland, Portugal, Romania, Slovakia, Spain, Switzerland, the Netherlands, and the UK.  Samsung has not yet announced the June 2021 security patch details. But, the company usually details new security patch in the first week of the month.  If you’re a Galaxy Z Flip 5G and belongs to one of above specified regions, then you might have received the update. Otherwise, manually check for the latest update by navigating to Settings » Software updates and then tap on “Download and install“. 

F707BXXS3DUE1   Galaxy Z Flip 5G June 2021 security patch update - 56