iOS 9 allows us to close the screen iPhone, iPad or iPod Touch la 30 seconds after the last interaction with it, the period being halved compared to the minute that was until now the only option available to us in the iOS settings menu.
Function auto-lock, auto-lock, of iOS 9 offers, as you can see from the image above, the option to set the screen of the iDevices to be stuck at 30 seconds after its last touch, halving the period in which it is effectively open, contributing to the increase of battery autonomy.
Given that the screen is the biggest consumer of energy of an iPhone, iPad or iPod Touch, reducing the period in which it is actually on will seriously contribute to improving the battery autonomy of our terminals, even if not everyone will be convinced of this.
choosing the 30 second screen lock setting based on the option of iOS 9 we will see that the brightness of the screen is reduced to a minimum after 15 seconds from the last interaction, while the blocking will be done after 30 seconds, after which the terminal will have to be unlocked.
Choosing the option to lock the screen at 30 seconds will require users to go through the iPhone, iPad or iPod Touch unlocking procedure more often, so you have to think very carefully whether you want to activate it or not for the terminals yours
You can activate the automatic screen lock option after 30 seconds from: Settings > General > Auto-Lock > 30 Seconds, Settings > General > Auto-lock > 30 seconds.
