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[ iOS9 ] - Tips to preserve battery life on iOS, iPhone and iPad

Most owners of iOS devices from Apple Inc., don't ( from personal experience ) spend time setting up their device and settings, which is something that can cause their battery to be drained more than needed. For instance, if you have applications running in the background that you don't really need, then those applications will occupy some of your battery power to run and fetch data. Not only will they use some of your battery but also some of your data package ( cellular connection ).

So, here are a few tips for iOS and how you can preserve some of your battery ( and in some points cellular data ).

Notifications Center

Get your iOS device, unlock the screen and go to Settings -> Notifications.

here you will see a list of apps that are currently part of the notifications on your device. Those that have the subtitle set as "off", will not push any notifications to you at all, this means that those are excluded from the notification center.

The ones that have a different subtitle are to give you notifications when they need to. For instance, in this picture, Calendar will send you notifications in the badge of the application on your home screen ( with a number indicating how many ), it will also play sounds for each new notification and also will give you on-screen alerts for new notifications.

You can tap each of those applications ( and really you should do this for each one in order to have full control ) and go to the details page as described in the next picture, so you can set up which notifications will be passed to you and how.

Games and some of your apps, are not really important to send you notifications, you will of course be the judge of that but in general, not every application on your phone is important to send you notifications for various tasks. Having all applications notifying you about stuff will decrease your battery for sure as they will be constantly "there" to inform you even for things that don't matter.

So clicking / tapping on an application in the notifications list will bring you to the details page of the notification settings of this application as follows :

 My example is Google's Hangouts application for iOS. I need Hangouts to send me all kinds of notifications when someone sends me a text, so I have :

1. first of all the "Allow notifications" switch on which means that this application will be sending me notifications

2. "Show in the Notification Center" on so I can see the notification when I swipe down on the homescreen and get a list of the latest notifications

3. "Sounds" on so I can be pinged with a sound when something comes along

4. "Badge app icon" so I can see the number of unread notifications on the hangouts icon on my home screen

5. "Show on lock" screen so I can get previews of those notifications when my iOS device is locked

Of course, I can turn some of those off to match my preferences. Surely, turning "Allow notifications" off will turn everything else off for this application's notifications.

Background App Refresh

Next is the background applications refreshing, which means that some apps can be constantly running in the background to fetch data e.t.c. Go to Settings -> General and then Background App Refresh :

I personally have all applications' background refresh off. I don't need any of my applications to be running in the background ( please be advised that you may actually want this for some of your apps ) so I turned all applications off.

One question here is that while I set "Hangouts" to be included in the notification center above and turned off background app refresh for it, will it still pop notifications for me?

The answer is yes, it will still give you notifications but it will not be running constantly in the background. Its a thin line here.

The problem with background app refresh is that most users, forget to tweak it and allow games and various apps to be running in the background, occupying battery and data when they are not really needed to.

So go through each of your apps and think which one you need to have running all the time in the background, this one you can allow to run constantly in the background, the others, you can turn off and preserve some of your battery.

Some more options

Another battery hogger can be the cellular setting on your iOS device. Go to Settings -> Cellular and choose 3G instead of 4G for your network type. 4G uses much more battery than 3G.

Also, you can disable the automatic brightness of your screen by going to Settings -> Display and Brightness and turning off "Auto Brightness".

On iOS 9, you can also go to Settings -> Battery and turn on "Low Power Mode" which will increase your battery time by restricting background data e.t.c.


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