Replacing your old iPhone’s battery could improve its performance

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If you use an older iPhone like an iPhone 6s or an iPhone 6, you must have noticed that your phone has been slowing down lately. Most users think that the culprit is the new iOS 11 update. Here’s a twist in the tale: the real reason why your iPhone is slowing down could have something to do with your phone’s battery. 

According to a Reddit user, he noticed that his iPhone 6s was slowing down drastically. While he initially attributed the slowdown to iOS 11, he decided to double check the issue when his brother’s even older iPhone 6 Plus was a tad faster than his new iPhone 6s. After some research, he decided to replace his phone’s battery. The wear level on his older battery was somewhere around 20%. Now, he ran a Geekbench test before and after changing the battery. This is what he found out:

Geekbench score on old battery: 1466 (single-core) and 2512 (multi-core)
Geekbench score on new battery: 2526 (single-core) and 4456 (multi-core)

Evidently, Apple is reducing the clock speed of older iPhones to improve performance and reduce the effect on older batteries. And, replacing it could improve the speed of your older phone. 

iPhone on macbook

In fact, a new data by Geekbench itself showcases this finding by the Redditor to be true. Here’s what John Poole has to say about it in the blog, “I believe (as do others) that Apple introduced a change to limit performance when battery condition decreases past a certain point.”

Take a look at the performance peaks and fluctuations in Geekbench 4 scores to judge for yourself. 

 iPhone geekbench score

Therefore, Apple is scaling down the CPU performance to save further deterioration of your battery performance. But, that could not be the ideal approach as most people have noticed. 

In short, you can head to your nearest Apple Store to change your iPhone’s battery. It should cost you anywhere between Rs 6,000 and Rs 10,000 depending on your model. However, you can also choose a service like iRepair India which replaces an iPhone 6s battery for approximately Rs 3,200 (with taxes). 

Will you go for a replacement? Let us know in the comments section below. 

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Ershad Kaleebullah

When Ershad isn't writing, he spends time killing virtual zombies on his PS4. Having worked with a slew of renowned publications like PCWorld, Channelworld, CIO, NDTV Gadgets (now Gadgets360), MySmartPrice, The Inquistr, and 91Mobiles, Ershad brings a whole world of experience to Mr. Phone. He is trying hard to convert all the team members into Apple fans but is facing a lot of resistance. Is anyone willing to help?