OnePlus has officially started recruiting users for the OxygenOS 16 Closed Beta Program for its latest flagship devices — the OnePlus 13 and OnePlus 13S. This early testing program allows selected users to try out the upcoming OxygenOS 16 features before the public release. The ongoing OxygenOS 16 Closed Beta testing program for the OnePlus 13 and 13s is under strict confidentiality. Participants are prohibited from sharing any details related to the software—this includes the interface, features, wallpapers, fonts, version numbers, update instructions, code, and any communications within official channels. Beta Testing Already Underway On the OnePlus side, OxygenOS 16 is currently in closed beta testing for the OnePlus 13 and 13s. OxygenOS 16 beta is now available for multiple OnePlus phones. Check if its your turn to explore new features well before the stable release.