When you're in a place where Wi-Fi is available, your phone automatically connects to it even if you didn't use your phone. But often, forgetting this type of active connection when the device is not in use can quickly run out of battery power.


By default, Android does not have a powerful mechanism to automatically disable the Wi-Fi connection feature, although this type of connection is not connected to any network. This means that your phone's battery power is lost without meaning.here's how to turn Android Wi-Fi off automatically in some situations.

As mentioned above, the task of automatically turning off Wi-Fi does not come by default in the system. So you'll need a free app on Google Play called "better WiFi on / Off." you'll need to upload it to your phone.
When you first open the program, click decline and then click the icon indicated in the image below to access your options;
When you first open the program, click decline and then click the icon indicated in the image below to access your options;


Scroll down the list of options and enable Expert Mode;

At this point, you will return to the application home screen. Therefore, touch the icon again to enter the Program Options and check the screen Off option.



Ready! At this time, each time your phone is locked or the screen is turned off, Wi-Fi will be disabled, saving some device battery. Finally, you can also leave the Start on take-Off option selected, which starts the application with the system so that it does not need to be manually configured each time the phone is powered on.