iOS 15.1.1 Battery Life / Battery Drain / Battery Performance Test on iPhone 12 & iPhone 13



Hello everyone, and welcome to the iOS 15.1.1 battery performance video on iPhone 12 & 13.

Battery test for the iPhone 12&13 exclusive iOS release iOS 15.1.1

Note that both the iPhone 13 and 12 in this video are BRAND NEW DEVICES. With very
limited use on the channel so far, so they should have the best performing battery
at this stage in its life.

This video was shot 6 days iOS 15.1.1 was installed, so it had some time to settle in. I have seen many comments that it takes about a week for battery performance to optimize itself after an iOS update. I have always been skeptical of this statement as I have never personally had bad battery life right after I update. If I restore and download backup from iCloud well then that is another story. So I decided to run the battery test 6 days after I updated them. In those 6 days they were just idling with power connected. So let’s run the battery test again, and see if we will get some different results this time around.

Before the test was run the devices were set to 25% display brightness, auto brightness has been disabled, all devices use same settings, and are connected to the same access point.

How Geekbench works :

Geekbench 4 battery scores measure the battery life of a device when running processor-intensive applications. It provides a consistent workload to the device, and generates a Geekbench score by evaluating the amount of work that it is able to do while the battery is discharging and the amount of time it takes for the battery to discharge.

The battery benchmark can be run in Full Discharge mode, from 100% to 0% battery level, to provide a high level of confidence in a device’s battery performance. The battery benchmark can also be run in Partial Discharge mode, for 3 hours. If the battery benchmark is stopped after 10 minutes, by the user or by the battery reaching 0%, then the result will be saved and can be uploaded. Battery benchmark scores gathered by any method except the Full Discharge mode provide a medium level of confidence in a device’s battery performance, and longer tests are more reliable.

When comparing scores, remember that higher scores are better, and double the score indicates double the performance.

Music by Niwel (see credits below)

Music by Niwel a french music producer.

YOUTUBE: https://www.youtube.com/channel/UCFyHDG16mgzMjGVYcuawDxg

Apple Music : https://itunes.apple.com/fr/artist/niwel/1453736184

Spotify : https://open.spotify.com/artist/0cVGrRvml0zvR3G6GoG1TN?si=k0a5NsXCSe20YBz6gfXtXw

TWITTER: http://www.twitter.com/NiwelMusic17

INSTAGRAM: http://www.instagram.com/iamniwel/

SOUNDCLOUD: @ niwel-516897768 FACEBOOK: http://www.facebook.com/Niwel-Music-261718784171967/

CONTACT: [email protected] .

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16 Comments

  1. Just need to chime in, battery performance on my Iphone 13 pro max was stellar on ios 15.0.X. On ios 15.1 and 15.2 battery really sucks. Im about to contact apple to get a new device that probably will be running on ios 15 early versions.

  2. Благодарю , за проделанный труд 🙌🏻
    Результат меня расстроил 🥲
    Падение на 800 пунктов уж слишком…
    Хотя стоит отметить, что после обновления на 15.2 через два дня откатился на 15.1.1 , по причине ощутимой разницы в автономности в общем не доставало 10-15%…
    Надеюсь на хороший прирост в 15.3, но зная динамику прирост бывает не так часто ….

    Ещё раз благодарю Вас 🙌🏻

  3. Your other iPhone 13 likely had a better battery, they don’t always ship with 100%. It can also have 105% or something

  4. Okay, but why now? iOS 15.1.1 isn’t even signed anymore, so there is no way for us to install it 🤔

  5. Battery test for the iPhone 12&13 exclusive iOS release iOS 15.1.1
    Note that both the iPhone 13 and 12 in this video are BRAND NEW DEVICES. With very

    limited use on the channel so far, so they should have the best performing battery

    at this stage in its life.

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