You should use a strong Lock Screen passcode to ensure thieves can't observe you entering your PIN and then stealing your iPhone. And we've shown you how to set up a stronger iPhone Lock Screen ...
1. Open Settings on your iPhone. 2. Scroll down and tap Display & Brightness. 3. Tap on Auto-Lock. 4. Choose your preferred time period after which the iPhone screen should lock automatically. Options ...
Here's how to rotate the screen on your iPad, how to lock or unlock its orientation during use, and how to fix an iPad when it isn't rotating.