10 Tips To Help Your Iphone 4 Battery Life

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The battery life on the iPhone 4 has been outstanding thus far, exceeding our expectations for longevity during testing. Weve only had a short time to use the phone, but in the week or so weve been carrying the device as our main phone, weve had pretty amazing results under normal to heavy use.

1. Make sure you kill those apps that are running in the background for nothing

There's nothing better than finding out one of your favorite apps finally received an update, but try to wait until you're connected to Wi-Fi before downloading any updates. Each time an app is updated, the full application file must be downloaded from the App Store.

If the app is large, downloading it over 3G will undoubtedly impact Iphone 4G Power Battery life negatively. Downloads over Wi-Fi are much faster and require significantly less power. The best option however, is to wait until you're connected to your computer and to download any app updates in iTunes on your Mac or PC. To apply the newly downloaded updates, simply sync your iPhone 4.

2. Turn off wifi if youre not using it (Settings > Wi-Fi and set Wi-Fi to Off)

Wi-Fi is another big area of debate in terms of iPhone 4 battery life. Logic might dictate that if Wi-Fi is on, energy is being used so the result will be shorter Car Charger for iphone life. In practice however, moving data via Wi-Fi requires much less power than moving data via 3G. As such, many find that leaving Wi-Fi on will actually increase battery life -- dramatically in fact.

If you don't often have access to a Wi-Fi network then obviously this tip is not for you. For those who have wireless networks at home, at the office or at a local coffee shop however, the more you can use Wi-Fi, the better.

3. Turn off 3G if you dont need it (Settings > General > Network and set Enable 3G to Off)

This tip should only be used if absolutely necessary of course, but 3G is without question a battery killer. If you absolutely need to stretch your battery life out for as long as possible, disabling 3G is the best way to do just that. Go to Settings -> General -> Network and toggle 3G to off.

Note that data speeds will be reduced and the phone will no longer support simultaneous voice and data while 3G is disabled.

4. Turn off Push Notifications (Settings > Notifications and set Notifications to Off)

Further to number 4 above, the less time your display is on, the better. In Settings -> General -> Auto-Lock, choose the 1 Minute option.

5. Turn off Bluetooth (Settings > General > Bluetooth and set Bluetooth to Off)

Bluetooth headsets and car kits are fantastically convenient but when they're not in use, Bluetooth should be turned off. Bluetooth on the iPhone 4 is constantly searching for a new device to connect with when it is not in use and unfortunately, there is no way to turn the search feature off. While powering a Bluetooth radio takes a minimal amount of energy, the constant searching will indeed dramatically reduce Mail, Contacts, Calendars > Fetch New Data and set Push to Off)

7. Fetch new data manually (Settings > Mail, Contacts, Calendars > Fetch New Data and tap Manually)

A smartphone's ability to keep email, contacts and calendar items in sync over the air is an absolute necessity. The process of connecting to remote servers and exchanging data however, is an obvious drain on the battery. The iPhone 4 is no exception of course, but Apple has given users a great deal of control over how often the iPhone fetches new data. In Settings -> Mail, Contacts, Calendars -> Fetch New Data, try setting Fetch to Every 30 Minutes or even Hourly if possible.

Moreover, for email or calendar accounts that are used infrequently go to Settings -> Mail, Contacts, Calendars -> Fetch New Data -> Advanced. Set each trivial account to Manual rather than Fetch. With this setting configured, these accounts will only retrieve new data when their relative applications are opened. So, email accounts set to Manual will only grab new emails when the Mail app is opened and calendar accounts will only sync when the Calendar app is opened.

8. Go through a full charge cycle each month (charge the battery to 100% and completely run it down)

Most people tend to get into the habit of charging phones overnight. While there is certainly much debate regarding whether or not charging habits affect battery life and longevity, many experts agree that over-charging a Lithium Ion battery can definitely reduce its performance over time.

In other words, over time a full charge will not last as long for someone who regularly leaves his or her iPhone 4 plugged in overnight as it would for someone who unplugs the iPhone 4 once it is fully charged.

As a general rule, try to wait until your phone battery is nearly empty before charging it. Once your battery is full, unplug it from its charger. Getting into this habit is good for your battery and it is good for the environment as well. The battery in the iPhone 4 charges in about an hour, so there is certainly no reason to leave your handset plugged in overnight while you sleep.

9. Turn off vibrate

In public areas and other noisy environments, a phone's vibrate function is absolutely essential. In quieter environments where you will definitely hear your iPhone 4's audio notifications however, disable the vibrate feature by going to Settings -> Sounds and toggling Vibrate under the Ring heading to off. Similarly, disable the vibrate feature within games and other apps whenever possible.

10. Auto-adjust Brightness (Settings > Brightness and set Auto-Brightness to On)

A very simple tweak that will have a dramatic impact on iPhone 4 battery life is decreasing the display brightness. Apple uses fantastic displays in its portable devices but they require a significant amount of power to illuminate them. The good news however, is that they are still extremely viewable when the brightness is turned down. Try lowering the brightness in Settings -> Brightness to bet60% - 75%, the lower the better of course.
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This article was published on 2011/02/23