Tune Siri to your liking:
Open Siri settings > choose your preferred voice > select your language.
Personalise your iPhone’s screen appearance
Navigate to Display & Brightness > check appearance options > adjust text size > choose settings that suit you.
Control what apps can access.
Head to Privacy & Security > review location access > check camera and microphone access > limit photo and tracking permissions.
Make your battery last longer.
Go to Battery settings > check battery usage > enable Low Power Mode > limit background activity.
Keep unnecessary alerts away.
Open Notifications settings > select an app > turn off unwanted alerts > use Focus mode when needed.