How to improve battery life on your iPhone 8 or iPhone 8 Plus: 10 tips and tricks (+1 bonus)


The iPhone 8 and iPhone 8 Plus are already out and you may already have one in your hands. Congratulations on the new device! The new iPhones are not only incredibly powerful, thanks to the new Bionic chips, but are also the longest-lasting iPhones we've put through our battery life test.

10 and a half hours of screen on time for the large Plus variant and 8 and a half hours for the regular-sized iPhone 8 are absolutely nothing to snark at. In fact, these numbers will probably last the average user well enough and will keep power users grinning for most of the day.

But, of course, if you are in the latter group, you want to squeeze out the most life you want from your battery... without sacrificing too much. So, yeah, while the obvious choice is "Just keep Power Saving mode on at all times", it does limit processor power and stops all sorts of fetch notifications. So, let's see if we can manually tune our iPhone settings instead!

Related phones

iPhone 8
  • Display 4.7" 750 x 1334 pixels
  • Camera 12 MP / 7 MP front
  • Processor Apple A11 Bionic, Hexa-core, 2390 MHz
  • Storage 256 GB
  • Battery 1821 mAh(14h talk time)
iPhone 8 Plus
  • Display 5.5" 1080 x 1920 pixels
  • Camera 12 MP / 7 MP front
  • Processor Apple A11 Bionic, Hexa-core, 2390 MHz
  • Storage 256 GB
  • Battery 2691 mAh(21h 3G talk time)

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10 Comments

1. nikhil23

Posts: 442; Member since: Dec 07, 2016

You don't need to do this. There is a feature on iphone 8 and 8 plus which automatically expands battery for you.

2. JohnR

Posts: 152; Member since: Sep 08, 2017

And what feature is that?

3. CreeDiddy

Posts: 2203; Member since: Nov 04, 2011

Best advice...buy another phone...

4. Iodine

Posts: 1480; Member since: Jun 19, 2014

Just put a low power mode in your control center. Problem solved (for a while).

5. HansP

Posts: 542; Member since: Oct 16, 2011

Whatever you do, don't charge it! If you follow that advice you'll be just swell.

6. uncle_gadget

Posts: 1050; Member since: Sep 20, 2017

But PA's test claimed 10 hours. So why do we even need an article saying how to deal with iPhone 8 battery life issues? PA acted as if there is no issue.

7. nikhil23

Posts: 442; Member since: Dec 07, 2016

multiple youtube videos, gsmarena, gfx benchmark for battery, other tech sites : Note 8, S8+ battery llife > iphone 8 plus Phone Arena : Note 8, S8+ battery llife < iphone 8 plus

8. Leo_MC

Posts: 7432; Member since: Dec 02, 2011

Maybe to get 15h (or 2 days).

9. TL24SS

Posts: 6; Member since: Nov 12, 2015

You don't need to do all of this to get great battery life.... If you do then you might as well just turn off your phone. I have an iPhone 8+ and I have no issues whatsoever with battery life.

10. srattan

Posts: 7; Member since: Oct 23, 2014

Irony is, we buy a phone for almost 1000 USD and then we start hunting for the ways and means to cripple it asap.

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