Here are some things you can do to help improve battery life:

1. Turn off Bluetooth and Wi-Fi when not in use
2. Adjust screen brightness
3. Close apps that are running in the background
   

   To do so, double-press the Home button and then swipe up on the app you want to close. Alternatively, you can go to Settings > Battery > Battery Usage to choose which apps to turn off.

4. Limit location services when not needed
5. Turn on low power mode
6. Turn off app notifications