Apple dismisses questions on iPhone 6s battery life

Even though iPhones have been by a fair distance the most successful smartphones ever, each new generation comes with its own share of troubles that makes it seem, unfortunately, far from perfect.

iPhone 6s is no stranger to this trend too. Issues began with the overheating TouchID button and now battery life is hogging the limelight. As per several reports, Apple's A9 chip is being manufactured by TMSC and Samsung in 16mnm and 14nm variants respectively.

On the basis of some laboratory tests conducted on both chips, reports have argued that the 14nm Samsung-made chip may see a 20 per cent short fall in battery life than the 16nm TMSC-made chip. In other words, if your iPhone 6s contains a Samsung-made chip, it may run out of charge much earlier than any iPhone 6s with a 16nm chip.

The news caught the attention of many iPhone users across the globe, forcing Apple to issue a rare statement yesterday.

"With the Apple-designed A9 chip in your iPhone 6S or iPhone 6S Plus, you are getting the most advanced smartphone chip in the world. Every chip we ship meets Apple's highest standards for providing incredible performance and delivering great battery life, regardless of iPhone 6S capacity, colour or model.

Certain manufactured lab tests which run the processors with a continuous heavy workload until the battery depletes are not representative of real-world use, since they spend an unrealistic amount of time at the highest CPU performance state. It's a misleading way to measure real-world battery life.

Our testing and customer data show that the actual battery life of the iPhone 6S and iPhone 6S Plus, even taking into account variable component differences, varies within just two to three percent of each other," said an Apple spokesperson to TechCrunch.

While this seems reassuring, it still leaves open the fact that your iPhone 6s will run out of battery life quickly if you subject it to optimum CPU usage and if it sports a 14nm chip. Playing HD games, downloading large online content and using heavy social media apps usually put any smartphone's CPU under great stress.

Since there is no way to know if your iPhone 6s contains a 14nm or 16nm chip, probably the best way is to forget about it and carry a portable charging device as a precaution.

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