Some iOS users report that 11.4 update triggers excessive battery drain | TechCrunch
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iOS 11.4 Battery Drain Fix - Apple Community
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iOS 11.4 brings battery life problems to some iPhone users
iPhone battery life bad after installing iOS 11.4? Here's what you can do | ZDNet
iOS 11.4 has been wrecking iPhone battery life | TechnoBuffalo
Apple iPhone and iPad users are reporting alarming battery drain issues since updating to iOS 11.4- Technology News, Firstpost
iOS 11.4 could be draining your battery much faster than before | TechSpot