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A comment on Ask HN: How do I acheive the best battery life/performance on my iPhone?.

Re:Ask HN: How do I acheive the best battery life/performanc... by blackflame7000 on Friday May 19, 2017 @06:19PM (#14379758)
Turning off LTE voice calling can save a decent amount of battery if you don't experience poor call quality.

Settings->Cellular->Cellular Data Options->Enable LTE->Data Only

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