asically, quick setting tiles in the notification shade on Android 6.0 Marshmallow allow you to simply toggle Wi-Fi, GPS, Bluetooth and various features. Some of these toggles may not be fruitful for you, depending on your device. But, fortunately, you can customize them, you have to enable the System UI Tuner.
For enabling the System UI Tuner:
  • Firstly, you have to expand the notification shade, tap and hold on the “Settings” and then release after a couple of seconds.
  • Now, the device Settings menu will load with an alert that will let you know the System UI Tuner.
To customize which tiles arrive in the notification shade:
  • Now, you have to head to your Settings menu.
  • After that, open System UI Tuner and choose Quick settings.
  • Next, you need to press and hold on tiles for rearranging them. Drag tiles and you don’t need to trash at the bottom.
  • Once first toggle tile deleted, the icon at the bottom will change to a plus sign and enables you to add tiles back.
You can have whichever tiles that you use most at your fingertips every time you open the notification shade.