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.
At the dial tone, press 74#. At the second dial tone, press the one-digit Speed Dial code (2-9) that you want to assign to a certain phone number. Dial the 10-digit telephone number for the code chosen. The number is stored when you hear short tones. Repeat steps 1-3 to add more numbers.