types of mobiles
mobile generation types:There are three types generations
1. first generation mobiles.
2. second generation mobiles.
3. third generation mobiles.
note:
* first generation mobiles are also called known as 1g mobiles.
* second generation mobiles are also called known as 2g mobiles.
* third generation mobiles are also called known as 3g mobiles.
first generation mobiles pictures
second generation mobiles pictures:
third generation mobiles pictures:
