To access the combo box on this page please perform the following steps. 1. Press the alt key and then the down arrow. 2. Use the up and down arrows to navigate this combo box. 3. Press enter on the item you wish to view.
It is green when it is fully charged, red when almost empty, and white or black any other time, depending upon the background color of your screen. But iOS 9 brings a new option, as your battery icon can be yellow when you have enabled Low Power mode.
I have an iPhone 4S. I really don't know in which basis it shows Answer/Decline buttons when someone calling me. Sometimes it shows both buttons and sometimes it only show the option Slide to answer. The scenarios are, The iPhone is locked/unlocked. The iPhone is in normal mode/silent mode.