Luke Deitz , Nov 6, 2018

Just as things looked bright for Apple with the brand new iOS, attention was drawn to another problem, this one involving the battery. Let me backtrack, though.

Have you ever been on your phone and noticed it dying way faster than usual? As phones age, their batteries decline in health and are put to the test with each new system update. 

In 2016, I had an iPhone 5 that would die so quickly. Once it even crashed at 40%. One day it just stopped.

Unbeknownst to me and millions of others, this was when Apple implemented a software update to “fix” this problem. 

The update played out like this: once your phone suffered a battery-related shutdown, Apple would initiate a new mode to slow your phone down so that it wouldn’t crash.

This is known as throttling. When the public gained knowledge of this last year, Apple caught a lot of heat for it before apologizing. They then announced that the improved hardware of its 2017 phones would mean they would be unaffected by throttling. 

Now, it’s a different story – in the fine print of Apple’s latest iOS 12.1, it was quietly revealed that the update will throttle the iPhone 8 and X batteries, too.

So what can you do? 

At the moment, there’s no easy answer. But if you’d prefer to have a phone that operates at its peak performance, you can disable Apple’s Performance Management mode.

  • Open up your iPhone’s Settings, then scroll down to the Battery option.
  • Once there, you’ll see a section called “Battery Health (Beta)”.
  • Click on that and you’ll see your phone’s maximum capacity compared to when it was new (mine is at 87%), as well as a bar labeled “Peak Performance Capability”.
  • Hit the blue “Disable…” and you’ll clear Apple’s performance management, allowing your phone to run unhindered.


Phone crashing aside, this is a nice trick if you’re just wanting your phone to run as fast as possible. If you’re in the close vicinity of a charging station, it’s even better because if it crashes, you can just charge up.

Is this the best for the long-term health of your battery? You’ll have to ask your phone; with iOS 12, users are able to monitor their battery health in their settings and receive suggestions on ways to better manage it.

Another silver lining of sorts: for the next month, Apple will be offering a $29 deal to hook users up with a new battery as part of a discounted battery replacement program (iPhone 6 or later). This is one way to make your phone last a bit longer. After seeing that 87% maximum capacity, I’ll likely be jumping by to take care of this later in the month.

I’ll be back to share more on the latest power and battery updates and developments. In the meantime, stay charged – especially if you’re curious about ditching Apple’s performance management system for a faster phone.

Category: Apple
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