The outfit conducted a series of battery life tests on the latest smartphones including the Samsung Galaxy S7, HTC 10 and LG G5, Apple’s iPhone 7 was so bad it did not even rank.
The Samsung Galaxy S7 battery lasted more than twice as long as the iPhone 7, while the HTC 10 had two and a half times the longevity. The iPhone 7 did better in internet usage tests… but it was still found bringing up the rear.
The iPhone 7 should have had all the advantages. It was the newest phone and had the iOS 10, while the three other handsets all featured Android 6.0 Marshmallow. But whatever efficiency optimization Apple put into iOS 10, it cant solve the fact that Apple put a 1,960mAh battery under the bonnet.
In a blog post, Which?’s Callum Tennent said:
“In the interest of fairness, we test battery life using our own phone network simulator. This ensures that the signal strength is consistent for each test, which 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.”
For the tests we made a continuous call over 3G for the call time test and access a regularly updating special web page over 3G to measure web browsing time.