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Your deviceOnePlus 12
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Open Settings

Open Settings and use the search box to search for Battery Saver.

Manufacturer UI recreationOnePlus 12 · OnePlus OxygenOS
9:41
OnePlus OxygenOSSettings
Search settings
Search settings
Battery
Device care
A recreated OnePlus OxygenOS screen for OnePlus 12, matched to the menu path documented by OnePlus Support. It is not a screenshot. The highlighted control is added by UKTechExpert, and a software update may move it slightly.