How to Conserve a Phone’s Battery Life

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A phone that needs to charge overnight to produce 3 or 4 hours of battery life can render an otherwise outstanding smartphone useless all too quickly. Today's operating systems demand lots of battery power, but a few simple steps can help you conserve your phone's battery life and prolong your mobile sessions.

Step by Step

1. Charge the battery fully each time you plug it in.

2. Turn off any apps that you don't need to keep open. This leaves more battery power for mission-critical apps as you proceed through your day.

3. Turn off Bluetooth when you're not using it. Though Bluetooth isn't an energy hog, if the phone is faithfully detecting every Bluetooth-enabled device you walk past, it will eventually lose a significant amount of battery life.

4. Turn off auto-brightness and reduce brightness settings. Reduce the backlighting level, too.

5. In areas where 3G and 4G service are not available, set the phone not to use 3G or higher.

6. Turn off GPS on your Android phone or Location Services on your iPhone.

7. Reduce your screen's timeout interval to the lowest possible setting.

8. Beware of apps that use GPS in Android or Location Services on the iPhone--and turn off these apps when you need to conserve battery life.

Android Tips

1. Select Settings, About Phone, Battery to view usage patterns in Android, and to see which functions use which percentages of your phone's battery life. If you discover that the display is eating up battery life, reduce its brightness settings and backlighting. Knowing where the energy goes will help you determine which steps to take to reduce battery use.

2. Disable animated wallpaper in Android.

3. Remove Home screen widgets that you don't need, especially if the widgets are pulling real-time data (such as sports scores and stock prices) from the Web.

iPhone Tips

1. Turn off the iPhone's Push e-mail by selecting Settings, Mail, Contacts, Calendars, Fetch New Data. Turn the Push setting to Off.

2. Change the Fetch setting from 'automatic download' to manual download if you don't need real-time or near-real-time updates. This option can be found beneath the Push setting mentioned in Step 1.

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