Monday, 03 October 2016 10:48

iPhone 7 comes last in battery life test by UK group Featured

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The British consumer group Which? has found that the iPhone 7 battery is the worst among recent big-brand smartphones, after the group compared it with the Samsung Galaxy S7, the HTC 10 and the LG G5.

Which? said it compared an iPhone 7 running iOS 10, the latest release of Apple's mobile operating system, with the other three smartphone which were running version six of the Android mobile operating system, otherwise known as Marshmallow. (The latest Android release, version seven, is known as Nougat).

When tested with a 3G connection, the iPhone 7 provided 712 minutes of call time. The time for the HTC 10 was the most (1859) while the LG G5 lasted 1579 minutes and the Samsung Galaxy S7 1492 minutes.

Which? also tested the four smartphones to see how long they would last when used on the Web. The HTC 10 was again top (790 minutes), with the Samsung Galaxy S7 (677), the LG G5 (640) and the iPhone 7 (615) bringing up the rear.

It said the iPhone 7 battery fared poorly because of its comparatively tiny cell which was 1960mAh while the HTC 10 had a 3000mAh battery.

smartphone battery life 2016

Which? said it carried out the tests using its own phone network simulator to ensure that the signal strength was consistent for each test.

"(This) is important as a phone has to expend more power when it’s struggling for reception. We also set the screen brightness on every phone to the same level. Finally, we perform a full ‘power cycle’ of each phone’s battery prior to testing – that means fully discharging and then charging it," Which? said.

"For the tests we made a continuous call over 3G for the call time test and accessed a regularly updating special web page over 3G to measure Web browsing time."

In a related article, The Guardian's review of the iPhone 7 has posed the question, "how good can a phone be if the battery doesn't last even a day?"

Which? is Britain's oldest consumer group, having been set up in 1957.

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Sam Varghese

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Sam Varghese has been writing for iTWire since 2006, a year after the site came into existence. For nearly a decade thereafter, he wrote mostly about free and open source software, based on his own use of this genre of software. Since May 2016, he has been writing across many areas of technology. He has been a journalist for nearly 40 years in India (Indian Express and Deccan Herald), the UAE (Khaleej Times) and Australia (Daily Commercial News (now defunct) and The Age). His personal blog is titled Irregular Expression.

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