Recorded in several spellings including Langston and Langstone, this is an English surname. It is of locational origin from any of various places so called but specifically Langston in the counties of Devonshire and Hampshire.
Use Speed dial to call a phone number with a single tap. 1  Open the Phone app. 2  Tap. 3  You can also press and hold an unassigned key on the dialpad, and then tap Yes. 4  Select a contact from the list. 5  On the Speed dial screen, choose the phone number of the contact to use, and a speed dial key to assign. 6  Tap Save.
Hold the lock so the numbered dial is facing you. The lock should have an arrow or some other indicator at the 12 o'clock position pointing to a certain number on the dial. Turn the dial three times to the right (clockwise) and then stop turning when the arrow is pointing to the first number of the combination.