1. The Story of Cell Phone
Jim Wang

2. The History of Cell Phone

3. Price: About 20000 Brands:Motorola Function:take phones
Problems: big and heavy
Solutions: To develop the new cell phones -----button cell phones

4. Price: about 1000
Brand: Nokia
Function: take photos, take phones, small games, etc.
Problems and solutions：photos were not clear, a small amount of games, a small screen. so, we have modern cell phone.

5. Price: about
Brand: Apple Inc
Function: face unlock , measuring , double cameras , touch screen, movies , video games.
Problems and solutions :
so expensive ,broken easily .
In the future ,price may be decreased .

6. In the Future A florid shape with a low price more function
different form

7. THANK YOU