iPhone has many useful setting that make it easier to use and keep your phone safer. In Display Setting, you turn on Dark mode to save battery and protect your eyes. In face I & Passcode, you can set a strong passcode or use Face ID for better security. In Battery setting, turning on Low Power Mode helps your battery last longer. In notification, you can control which apps can send alerts, so don’t get disturb. In Privacy & Security you can manage location access an app permissions to protect your data. In iCloud setting, make sure backup is turned on, so your photo an contact stay safe. Also, in Accessibility, you can enable feature like Voice Control or Zoom if need. Adjusting these setting will make your iPhone faster, safer, and more comfortable to use.
Some Secret Setting iPhone:
Your iPhone has some secret setting that many people don’t know, but they can make your phone smarter an easier to use. One of the best is Back tap ( found Accessibility Touch Back Tap). With this you can double-tap or triple-tap the back of your iPhone to quickly open the camera, take screenshot, or turn on the flashlight. Another hidden feature in Optimized Battery charging (in Battery- Battery Health), which makes your battery last longer by learning your charging habits. You can also use Hidden Album in Photo to keep private picture safe. In Notes, you can lock your important notes with Face ID or a password. Another secret trick is Shake to Undo, which lets you shake your iPhone to undo typing mistakes. these secret setting makes your iPhone more powerful, private and fun to use.

