A. 1. Disable Vibration: Go to the app settings and turn off vibration mode to conserve battery life. 2. Lower Screen Brightness: Reduce your iPhone's screen brightness while using the app to save battery. 3. Close Background Apps: Close any unnecessary apps running in the background to free up resources and save battery.

B. 4. Use Low Power Mode: Enable Low Power Mode on your iPhone by going to Settings > Battery > Low Power Mode to extend battery life.