From the home screen, swipe down from the Notification bar.
Tap the Settings icon.
Under the 'General' tab, scroll to then tap Guest mode.
If prompted, tap Done.
Tap the Guest mode switch to toggle on/off.
Your device must be secured with a screen lock to enable Guest mode. If you have not set up a lock for your device, tap the desired option, then follow on-screen prompts to set up. Note: For this demonstration, select 'Pattern'.
Draw the desired Guest mode access pattern, then tap Continue.
Re-draw the chosen pattern, then tap Confirm.
Tap Allowed app to select which apps are accessible through Guest mode.
Edit additional Guest mode settings as desired.
Draw the Guest mode access pattern at the lock screen to access your device in Guest mode.