So I've been doing a bit of googling, and found out that the main culprit of iPhones in general slowing down over the years in terms of speed and performance is mainly because of one thing - The battery, how true is this ? I've always had the misconception that iPhones slows down over the years is because of the lack of storage / half - full storage etc, but turns out I was wrong, the speed has nothing to do with your storage and/or how much GB you bought the phone with.

But still, hoping to hear from all of you out there whether or not it's true that the battery is the main culprit affecting the speed of iPhones, and changing to a new battery would solve the issue ?

This post has been edited by Sotsotzaii: Dec 25 2020, 07:33 PM

Apple use to have this bad practice, but after a certain ios update they allow user to choose whether to limit the performance or run full turbo.

As for my iphone 6, the only issue i find is the touch disease problem. Damn annoying.

So u mean for iphone 6, it doesn't have this feature ? So it's really the battery being the culprit then ? My iphone6 slow as hell sometimes, although going to change to 12 soon.

U can try change battery. I changed ori battery quite cheap. Only 110

Try going to settings >battery > battery health

If performance management is enabled, you may disable it from there

Performance management is there to prevent your iPhone from unexpectedly shutting down due to weak battery

This post has been edited by yongtjunkit: Dec 26 2020, 07:45 AM

Where did u change the battery? Authorised dealer or phone shop?

If it’s an iPhone 6 then can just change yourself. It’s very easy to do it. I changed the screen of my ip6 last time myself. It’s surprisingly easy as that phone don’t have as much adhesive holding it together like the newer iPhones.

Phone shop in Summit mall Subang jaya. Got different grade but decided to go with ori quality. Wadya know, until now battery health still at 100% after 1 year usage

yes and no

yes because batteries suffer wear and tear so over the years as the cells no longer can retain the charge as when it is fresh. after 2-3 years or 500 charging cycles, batteries no longer can supply the required juice and power for its peak performance and will suffer from the dreaded shutdown eventho the device shows like having lots of battery left.

this isnt just only apple devices, it applies to all devices that uses battery as main power. apple's choice of reducing the impact in this case is to throttle the CPU perf so it doesnt run at its peak like when its fresh, which then reduces the burden on the battery to deliver the required juice. bad news is that you will get perf degradation as the CPU no longer runs at its peak performance



as for no, do note that every year new hardware releases and there are always leaps in hardware performance. so you will definitely see impact when comparing new phones to older ones.

devs will take advantage to use the newer devices as new benchmark, thus their apps will then take more resources. think of it like last time 2014 when ip6 was out, iOS apps were made to utilise 1GB and A8 level perf in the ip6. now ip12pro comes with 6GB and A14, thats more resources the devs can take advantage of. so the apps will now require more resources to run as the newer hardware can handle them while the older devices cant thus giving the perception of "slow"


as for lack of storage thing, yes it applies for all devices that uses NAND chips. the more you fill them up the more sluggish the device will perform. this is because OS for phones works in a way where they need to cache the apps bla bla in storage so as to keep the phone responsive. but when its full, no more space to fill in cache thus slowdown happens

1. Battery may contribute
2. due to IOS update as well

Apple slowed the iPhone performance yay because of battery ... they admitted it openly and scammed its user all these years..

They pay compensation in the Us and eU but not to you!! So why do people still buy cheapsake iPhones?? Brainless

my gps is not working. cant use waze / google app at all. whereas iphone 5s still working like charm.

So I think at the end of the day, yes the battery is the main issue, changing that would solve most lag / slow performance. But the most crucial is how we take care of our phones, the better we do, the longer it lasts.

Battery fail last year. Change to ori battery already. Now bigger issue with GPS so decided to leave it as spare phone and upgrade to iphone 11.

U changed ur battery already ? Did the speed and performance improved or at least better ? I would suggest going straight for the 12 though, I went from 6 to 12, and trust me it's worth every penny of urs.

Haha.. already order 11 today. Nope, the performance did not improve, cuz its a 32gb and the phone got a lot of apps inside. I was told the gps is faulty need to replace a new one. Install/uninstall software wont help. True?

Ahh ok. Hmm not sure too sure about GPS, but if u asked the right shop then it's probably true. I see, 32 GB is too small tho for an iPhone

Yup.. used to be sufficient. now my apps tend to install and uninstall itself. ite super troublesome. cant wait too get my 11.