Nothing announced the Android 14-based Nothing OS 2.5 on Wednesday. The company listed the upgrades and new features that come with the update. The Open Beta 1 version of the Nothing OS 2.5 update is being offered for all Nothing Phone 2 users. It is suggested that the users back up their data before testing out the new Beta OS update on their handsets.

source https://www.gadgets360.com/mobiles/news/nothing-phone-2-android-14-os-2-5-open-beta-1-download-4473360#rss-gadgets-all