Your mobile phone has 23 keys and can be
divided into two parts:
Number/letter keys, 12 keys in all
Control keys, 11 keys in all
There are 12 number/letter keys and they are
arranged according to a specific rule. There are
10 number keys from [0]~[9], and the other two
keys are [*] and [#].
The keys in the keypad area allow you to enter
numbers or characters. Depending on the screen
e n v i r o n m e n t , t h e s a m e k e y m a y r e p r e s e n t
different output values as shown in the following
table:
1.1Keypad
1.1.1Number/letter keys
2
@_#=
<>()
&
Y
ABC2A A
A
abc2 a
c
DEF3 E
E
def3e e
GHI4 I
ghi4
a
a
JKL5
V
V
jkl5
1
1 1
2
2 2
3
3 3
4
4 4
5
5 5
Key
icon
Editor input
Letter
Numbers
Calcu-
lator
Capital letter
A,B,C
Small letter
a,b,c
Press
briefly
Press
and
hold
Space,1
T9
Stroke
Horiz-
ontal
Vertical
Left-
falling
Sweeping
right OR
Dot
Turning
C
o
d
e
T
i
m
e
1
2
3
4
5
1
2
3
4
5
1
2ABC
3DEF
4GHI
5JKL
@_#=
<>()
&
Y
Space,1
c