Top 10 Tips To Improve iPhone’s Battery Life in iOS 5
 

Tip 1: Reset Network Settings

Tap on “Settings” > Reset > Reset Network Settings

Tip 2: Disable Bluetooth

Settings > General > Bluetooth > “OFF”

Tip 3: Disable Notifications & Apps in Notification Center

Settings > Notifications > Turn OFF for anything you don’t need

Tip 4: Disable iCloud

Settings > General > iCloud > Turn everything to OFF

Tip 5: Disable Location Services

Settings > Location Services > Disable selectively for services you don’t use

Tip 6: Disable Time Zone Adjustment

Tap on “Settings” > “Location Services” > ‘System Services’ > Setting Time Zone to OFF

Tip 7: Disable Ping

Settings > General > Restrictions > Enable Restrictions > Ping > OFF

Tip 8: Disable Diagnostic & Usage Reports

Tap on “Settings” > General > About > Diagnostic & Usage > Don’t Send

Tip 9: Delete eMail Accounts, Reset Network Settings, Re-add eMail Accounts

Delete your email accounts by going to “Settings” > Mail, Contacts, Calendars > Account Name > Delete Account
Now Reset Network Settings in “Settings > Reset > Reset Network Settings
Reboot the iOS device
Re-add email accounts back in “Settings” > Mail, Contacts, Calendars > Add Account

Tip 10: Reboot the iOS Device.

if all is disabled , it become a simple cellular like nokia 3310 :D

Ha ha........Sounds true.....:D:D:D