Recently we shared tips to fix iPhone 4 battery drain issue after iOS 5 update. Well, let’s assume that iOS 5 update is not the case.  You have had iPhone 4 for a while now and you notice that your iPhone battery doesn’t last quite as long as it used to. So how to improve iPhone 4 battery life? Here we are going to share some tips that will help you to reduce iPhone battery drain. If  you own iPhone 4S please see: how to improve iPhone 4S battery life?Tips to Improve iPhone 4 battery life:

In iOS 4 Apple has added some of the new amazing features and multitasking is one of the best among them, which allows users to use Pandora, Skype, GPS navigation apps. But on other hand it will consume lots of battery life.

For now it will be unfair to say either multitasking is the cause for battery life or poorly-programmed third-party apps.

But luckily here are few iPhone 4 battery life tips to increase it.

1). Turn off push notifications - Push notifications consumes lots of iPhone 4 battery, turn it off to save battery.

2). Turn off push e-mail - Turning off push e-mail will also help you save lots of battery life. If not necessary turn it off.

3). Turn off radios those are not in use - Turn off Wi-Fi, Bluetooth, and GPS while you are not using iPhone.

4). Stop background tasks - While iPhone 4 is multitasking, you should stop encounter apps that eat up battery by polling the Internet in the background.

5). Set display brightness to auto adjust – Set display brightness to auto adjust to save battery life.

6). Turn of Vibration - You should turn of vibration while playing game in iPhone 4.

7). Use battery case - Use iPhone 4 batter y case.

8). Sync iPhone periodically - Make practice of Sync iPhone periodically, which will increase your iPhone 4’s battery life.

9) Turn off apps that use location services. Such location services apps run in background and can quickly drain the battery.  Go to settings > General > Location Services and select the apps for which you want to disable this feature.

10) Check out Internet tethering on your iPhone that seems to be persistently attempting to establish a connection. Go to Settings > Network, select “Internet Tethering”, and tap on “Cancel” to stop it. Turn WiFi off and back on again so you can stop the tethering connection attempts.

Credit: pcmag.com

Also check out below video that will show you some iPhone 4 battery saving tips:

You might want to check out:

• How to improve iPhone 4S battery life?
• How to Improve Mac Laptop Battery Life
• How to Improve iPad Battery Life
• iOS 5 Battery life
  
• iPhone 4 Battery Life Extension
• Battery Doctor Pro to Boost Battery Life of iPhone, iPad and iPod Touch