Many user have reported of draining battery life after having upgraded their iPhones, iPads or iPod to iOS 5. This is hardly surprising as with almost every iOS release userscomplain of experiencing reduced iOS battery life. They do not know how to improveiPhone 4/4S battery life with iOS 5.

iOS 5 consumes a lot of battery life because of the tremendous features it has introduced. It seems that many iPhone and iPad users are experiencing battery life issue after upgrading their devuice to iOS 5. So if you want to save the battery life of your iPhone 4/3GS or iPad after upgrading it to iOS 5, you shall have to compromise on a couple of features. You can disable the features that you don’t need and help save your iOS 5 battery life. If you ha

ve just got your iPhone 4S and experiencing the same battery issue, below tips may also help you to improve your iPhone 4S batterylife.

Here are some tips to show you how to improve iOS 5 battery life:

• Disable Bluetooth (Settings > General > Bluetooth > “Off”)
• Turn off specific or all app Notifications in the Notification Center (Settings > Notifications > “Off” for any unneeded apps)
• Disable Ping (Settings > General > Restrictions > Enable Restrictions > Ping > “Off”)
• Disable Time Zone Adjustment (Settings > Location Services > System Services > Set Time Zone to “Off”)
• Disable iCloud (Settings > General > iCloud > “Off” for any unneeded features)
• Disable Location Services (Settings > Location Services> “Off” for any unneeded features)
• Disable Diagnostic and Usage Reports (Settings > General > About > Diagnostic & Usage > 
  “Don’t Send”)
• Reset Network Settings (Settings > Reset > Reset Network Settings). This willreset all network settings, including passwords, VPN, and APN settings.
• Some users have reported that removing their email accounts and re-adding them has also helped
  Delete email accounts (Settings > Mail, Contacts, Calendars > Account Name > Delete Account)
• Reset Network Settings (Settings > Reset > Reset Network Settings)
• Reboot Device
• Re-add email accounts (Settings > Mail, Contacts, Calendars > Add Account)

Many users are also reporting of a reduced run time, even on standby, while others are saying their phones get quite warm. Some iPhone users have  disabled the iCloud completely, blaming it for the draining battery life. Still others hold the Location-based Time Zone Adjustment responsible.