You can increase battery life, Security on your iPhone and iPad device, Using Adjust auto lock screen time in iPhone and iPad. Average time should be best in auto-lock time. If you want to set minimum time like, 30 seconds than that’s wrong because it will lock your screen for short process duration of your iPhone and iPad. So you have to set it on average time (1 minute or 1:30 minute).
Steps to change default time with Adjust auto lock screen time in iPhone and iPad
Using the below steps points you can manage auto lock time settings in your own way on your iPhone and iPad, iPad mini.
For iOS 10,
Go to the Settings app on iPhone, iPad > Display & Brightness > Auto-Lock > Set time interval in seconds or minute.
For iOS 9, iOS 8
1. Open Settings app from your iPhone and iPad app browser
2. Under the setting, Tap on General option.
3. Now click Auto – Lock option, General > Auto – Lock
4. Set your preferred time as auto screen lock time.
Select 1 minute to 5 minutes time duration. If you want lock iPhone and iPad manually, then click on the Never option.
Tips: Change or Set Wallpaper on Lock screen – Live or Static.
You are done, You have set your iPhone and iPad auto lock time for all time. You want to change lock timeout then you have to precede the same process given in above steps. Let me know if you are getting the problem to Set or Adjust auto lock screen time in iPhone and iPad(on any iOS version).