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Anyone else having battery drain issues? I have an iPhone 7 Plus running iOS 13.3.1 and I've randomly lost 20% battery in 5 mins. New OEM battery too. : r/ios
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iOS 13 Latest Version, Updates, Problems, Fixes & New Features - Macworld UK
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iOS 13 Battery Drain Issues: 10+ Tips to Improve iPhone Battery Life
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New Apple iOS 13 is KILLING batteries as iPhone owners find battery life drains quickly | Daily Mail Online
