How To Type Letters On Phone Keypad. Tap 123 abc to switch back to text entry. To type the letter b, tap it twice.
This means mapping the digit 1' to letters abc, 2 to letters def, etc. U se the number key pad to enter symbols and special characters….to type the letter c, tap it three. That number can be any of those 3 or 4 letters, so 1 press of 2 corresponds to either an a b or c.