Step #1
Draw rectangle.
Step #2
Draw rectangle.
Step #3
Draw lines as shown.
Step #4
Draw rectangle.
Step #5
Draw lines as shown.
Step #6
Draw keypad & sensor shape as shown.
Step #7
Enhance drawing.
Step #8
Draw lines as shown.
Step #9
Draw lines as shown.
Step #10
Draw lines as shown.
Step #11
Draw line as shown.
Step #12
Draw line as shown.
Step #13
Draw keyboard button's shape as shown.
Step #14
Make necessary improvements to finish.
