- Turn your phone off when you are not using it?
- Fully deplete the battery then fully charge it?
- Use 4G when possible instead of 3G?
- Turn off Bluetooth?
Check out the WikiHow suggestions by clicking the link below. While many of us now use mobile phones instead of land-line phones in our homes, these mobile phones come with Lithium Batteries which require some maintenance as long as they are used.Source: 3 Ways to Make Your Cell Phone Battery Last Longer