: not prepared ahead of time : made or done without preparation. 1  Two of my friends came by unexpectedly, and we had an impromptu little party in my kitchen. 2  He made an impromptu speech about honor and responsibility.
Go to the existing phone jack and unscrew the cover of the jack with the screwdriver. Locate the four wires and attach each wire to its matching color. Go to the location of the new phone jack. Attach the telephone wire to the terminals inside the phone jack. They are named red, green, yellow, and black.
The color for an unpressed light button is #FFFFFF (white). The color for an unpressed dark (blue) button is #4285F4. You can change the color of the button if you need to match a specific style of your app, but the button must always include the standard color Google G on a white tile.