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OxygenOS open beta 27/18 hits OnePlus 3/3T with improved battery in standby
June 23, 2025
OnePlus just unveiled its newOnePlus 5Tyesterday and it’s soaking up a fair amount of attention, but it’s not the only OnePlus phone we have news for. The OnePlus 3 and 3T have just received new open beta updates, version 27 and 18 respectively, bringing some valuable improvements.
OnePlus has revamped the UI in “do not disturb” — making it easier to understand — while also updating the Smart Text Selection feature, stating that it should now “work as intended.” These upgrades arrive alongside general performance enhancements, updates to the OnePlus and GMS applications like Gallery, Weather and Recorder, and “optimized standby battery usage” — something which should please every OnePlus 3 and 3T user.

OnePlus hasn’t managed to quash all known bugs yet, noting that those showing up in blank spaces in the UI still haven’t been fixed, and the November security patch wasn’t included either (instead, the handsets have been updated with the October 2017 version). Nevertheless, OnePlus has addressed a number of other pre-existing problems, including “fixes for extended screenshot in some applications, Bluetooth performance enhancements, camera gesture fixes, and memory optimizations.”
You can download the latest open beta over at theOnePlus forumsnow and, as always, you can also fill out the feedback form to help OnePlus improve the UI.

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