What are ways to keep the iPhone battery alive longer?

My iPhone is almost all the time charging, and it is the new phone. I do not consider myself talking too much on the phone, but it does not survive a day without charging. Do you know any ways to keep the battery working longer?

By closing all the apps that are open

Close all the apps fully. (Double click the home button and hold your finger down on the aps that come up on a bottom bar, get rid of all of them)

Turn the brightness down

Make sure you always lock your phone after using it

Close all apps that are still running in the background(default; double tap home button and x out any apps you aren't using)
But a tip that I do have is when you're charging your phone, put it on airplane mode because it charges A LOT faster!
Hope I helped

You should close all background apps which are not in progress or try to make less use of Wi-Fi.

Depending on how they are configured, a few features may decrease your iPhone battery life.
Turn off push mail Go to Settings > Mail, Contacts, Calendars > Fetch New Data and set Push to Off
Turn off push notifications: go to Settings > Notifications and disable notifications for select applications.
Minimize use of location services go to Settings > Privacy > Location Services or use location services only when needed.
Use Airplane Mode in low- or no-coverage areas Turning on Airplane Mode can increase battery life in these situations; however, you will be unable to make or receive calls. To turn on Airplane Mode, go to Settings and set Airplane Mode to On.

I just got a Samsung galaxy s3 and mind doesn't go a day without charging either they should really install more battery life in these phones you think for 500 dollars they would of. Well, I discovered something called KILL APPS. Its in the google play store as far as android phones. Perhaps there's one for iphone users. You know the apps take away your battery life much quicker.also, I believe that if you dim the lights on your phone it takes away less battery power so the battery lasts longer change your settings to when you put your phone down the lights on it go out quick as possible rather than the longest seconds it takes for it to turn off and that could help.

Http://ipod.about.com/od/iphone3g/tp/iphone-battery-life.htm

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