iPhone 4s is intelligent interactive features, so the iPhone battery drain faster. It can interfere with their activities if you use your iPhone for business and disrupt their communications with their key customers.
If the iPhone has become one of the most important things in your daily activities, then you need to know some tips for keeping your iPhone 4s battery last longer.
Dim screen brightness – Do you know if your iphone dim the brightness below half a bar can conserve battery power significantly. It can be changed in Settings> Brightness.
WiFi OFF – If you are not using WiFi just turn it off.
Disable 3G functionality – If you are in an area without 3G coverage, turn off your iPhone 3G iPhone save battery.
Set Auto-Lock to 1 minute – Settings> General> Auto-Lock.
Switch Settings ‘Fetch’ and ‘Push’ – If you do not require facilities Push Mail, Push Set to “Manual”. This saves battery life, if not frequently use email service on your iPhone. Settings> Mail, Contacts, Calendars> Fetch New Data, turn off Push, Fetch and set the longest interval that can tolerate (manual is better).
Turn off “Location Services” – Some applications may require the use of location services, but if you do not need it, just turn it off.
Disable Bluetooth – Settings> General> Bluetooth> Off.
Turn off the music equalizer (EQ) – While this may improve the quality of their music, but also reduces the iPhone battery. If you do not require EQ, turn it off.
Use your iPhone until the battery is fully discharged and then charge the battery – Apple recommends that this be done at least once a month.
Use Airplane Mode – When in areas with no signal, airplane mode to save battery. Also when you do not need a phone to call and so on, turn it on.