1. Open the phone, find the "Settings" of the phone, and click to enter.
2. Enter the "Settings" interface, and then select "General" to enter.
3. Enter the "General" interface and select "About This Mac" to enter.
4. Enter the "About This Mac" interface and click "Name" to enter.
5. Then you can modify the name of the phone here. After modifying the name, click Finish.
Extended information:
Tips to extend the battery life of your iPhone:
1. Develop good charging habits
On Apple phones Please charge in time when the battery is low to avoid automatic shutdown caused by low battery. If the battery efficiency is lower than 80, try to replace the battery.
2. Turn on optimized charging
This function can intelligently learn and judge the user's usage and charging habits, making the charging process more balanced, thereby slowing down the aging of the battery and improving the battery life to a certain extent. Improve iPhone battery life.
View method: The "Optimize Battery Charging" function can be viewed in Settings-Battery-Battery Health~
3. Disable background application refresh
App Use battery life when running in the background. You can see how much time the app has been running in the background. If an app uses up too much battery when you're not using it, you can disable background app refresh to prevent it from running in the background. If the application consumes too much power, we can also choose to uninstall it!
4. Enable low power mode
The "Low Power Mode" function can save more power on your phone. When Low Power Mode is enabled, your screen dims slightly, limits background processes, slows down your processor slightly, or reduces the amount of energy your device requires during normal use.
How to do it: The easiest way to enable this feature is to swipe down from the upper right corner of your iPhone and then click on the battery icon. Or you can enable Low Power Mode in Settings > Battery > Low Power Mode.
5. Turn off certain APP push notifications
Push application notifications, email read notifications, etc. will shorten battery life, so if you want to make your iPhone battery life longer, Better to turn it off. You can edit each application in "Settings" to turn off notifications.