Based on investigation carried out for my by an iPhone app developer, the battery concern that some iPhone 4 and 4S owners are experiencing is just not, as some have advised, related to the hardware.
The developer, who at this point wishes to remain anonymous, approached me late last week to discuss the troubles he was experiencing with 1 of his two iPhone 4S handset. The problem he was seeing was pretty substantially along the lines of what other individuals are reporting - rapid drop in battery when the handset is carrying out little or definitely absolutely nothing.
Definitely absolutely nothing new there, but what I believed was intriguing was that he had two handset, 1 that was displaying the battery issue that a lot of people are screaming about, and 1 other that wasn’t. He admitted that the two handsets had been rather diverse in their configuration and had diverse apps installed. 1 was a test bed for apps he develops, the other was his day-to-day use handset. It was his day-to-day handset that was displaying the battery issues.
Each and every handsets had been bought within the identical time (direct from Apple for delivery on launch day), each and every are connected to precisely exactly the same network (AT&T) and every single handsets are now running iOS 5.0.1. This to me was strong evidence to suggest that the concern affecting iPhone handsets was not a hardware concern. However, so that we could totally rule out this being a hardware challenge the developer took things a step further. He factory reset every single handsets and then recovered then from a backup. However, rather than reloading them with their original backup, he swapped them over. He reloading his day-to-day handset with the backup from his development handset, and loaded the development handset with the backup from his regular day-to-day handset.
Apple’s A5 processor, the first dual-core processor to come in an iPhone
Looking within the iPhone 4S specifically, it’s easy to wonder if it’s the hardware that’s slurping the battery life away. new to the 4S is a dual-core processor, a first for an iPhone, though not a first for an Apple device, with the iPad two jumping to Apple’s A5 processor earlier this year. A teardown by iFixit shortly after the iPhone 4S’ release showed it to be the pretty very similar processor that’s within the iPad two, though running at a lower speed to save energy.
Does that really hold up as something to point a finger at though? during Apple’s iPhone 4S unveiling, Phil Schiller, Apple’s senior vice president of Worldwide Product Marketing, suggested otherwise, saying the company had not only matched the battery life of the previous model but beaten it in some cases. “You would think if you put a processor that powerful inside a super thin phone, 1 of the things you’re going to trade off is battery life. But the hardware and software teams have worked really hard to get industry leading battery life as well,” he said.
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