Tips for your iPhone battery use
- Minimize use of location services.
- Turn off push mail and notifications.
- Fetch new data less frequently.
- Disable Exchange Active Sync email account.
As we investigated people often have battery drain issue for iPhone, if they had installed Exchange Active Sync email account.
- Auto-check fewer email accounts
- Minimize use of cydia applications
- Turn off 3G
- Turn on Airplane Mode in low- or no- coverage areas (we don't recomend, but if you need please look at page: How to turn on Airplane Mode and avoid battery drain)