This obviously isn’t a comprehensive test, and as PhoneBuff points out, Low Power Mode would likely have a more significant impact on an older iPhone model with a less efficient display. So, to answer the question: Yes, Low Power Mode works. The browser test added another four points, and after eight hours of testing, the iPhone 12 was sitting at 1% battery life without Low Power Mode and 13% with Low Power Mode. After two hours of opening and closing apps, running in Low Power Mode kept the battery 5% higher. With this in mind, it’s no wonder why Low Power Mode can save so much battery life.
The Low Power Mode switch is thus a powerful throttle, probably more powerful than most thought. What started out as a 1.85 Ghz Processor got down-clocked to 907 Mhz. Each of the tests performed in this round put the processor to work, and right away, it was clear that Low Power Mode was affecting how quickly the apps were opening. Just look at that Processor speed difference. At this point, after 8 hours of testing, Low Power Mode has saved 6% additional battery life.įinally, after seeing the most notable gains being made while the iPhone was performing processor-intensive activities in Low Power Mode, PhoneBuff set up a third and final series of tests. Two hours in the Gmail app saved another 1%, as did two hours of scrolling through Instagram. After texting for two hours, the iPhone on Low Power Mode had saved just one percentage point, but after running the browser test - in which the phone has to open the same set of websites every 30 seconds - Low Power Mode saved an extra 3%. The second time around, PhoneBuff removed the standby test and made the iPhone run app tests for two hours instead of just one. How to add Low Power Mode to your swipe up/down Go to Settings and open Control Center.
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