Today OnePlus has released two software updates for its mid-rangers, one is going out to the original Nord, the other is headed to the Nord CE released this June. The original Nord is getting OxygenOS 11.1.5.5 in all regions, although there's a difference in the build: AC01AA for North America, AC01DA for India, and AC01BA for Europe. OnePlus Nord This update comes with the August 2021 security patch level, as well as improved system stability, and a couple of new features for the Ambient Display: screenshot functionality, and a Bitmoji AOD, co-designed with Snapchat, "which will...
Source: https://www.gsmarena.com/oneplus_nord_and_nord_ce_both_receive_updates_with_improved_performance-news-50634.php