How to Restart iPhone 11 and How to Reset iPhoneiPhone 11 problems and your device frozen can do anything after update to the latest iOS you should follow our iPhone 11 tutorial here
How to Restart iPhone 11
1. See your iPhone 11 buttons
a. Volume Button
b. Side Button (Power Button)
Manual iPhone 11 to restart Press a while and hold both volume button and side button until the power off slider appears.
2. Use your finger to drag set Off,
3. Wait 30 seconds to turn off.
How to Turn on iPhone 11
To turn on iPhone 11, press and hold the Power button (on the right side of your iPhone) until the screen display the Apple logo.
How to Turn Off iPhone 11
Manual to turn off iPhone 11, press and hold the Power button (on the right side of your iPhone) until the power off slider appears and choose turn off/shutdown.
How to Reset iPhone
WARNING to remove your personal information would delete your content from the iCloud servers and any of your devices signed in to iCloud.
Tutorial to Reset iPhone
a>Sign out of iCloud and the iTunes & App Store go into Settings > [your name]. Scroll down and tap Sign Out. Enter your Apple ID password and tap Turn Off.
b>Go into iPhone 11 Settings menu and tap General > Reset > Erase All Content and Settings.
c>Enter your Apple ID and password.
d>Reset iPhone by Erase All Content and Settings back into Factory Settings.
DFU Mode iPhone 11, iPhone 11 Pro Max
1>Connect iPhone 11 to PC,/Laptop or Mac by wired (data cable/Lightning to USB cable)
2>Press and release Volume Up.
3>Press and release Volume Down.
4>Press and bold Side Button 10 seconds until black
5>While continuing to hold the Side button, press and hold the Volume Down button for 5 seconds, and then release the Side button while you continue to hold the Volume Down button for an additional 10 seconds. If these steps are performed correctly, the display should remain black with no text or logos.
6>Open iTunes on your Mac or PC, and you should see a message stating that “iTunes has detected an iPhone in recovery mode. You must restore this iPhone before it can be used with iTunes.” You’ll then be presented with an option to restore iOS on your iPhone.