Phone Evolution

Are you a time traveler? Do you remember what your first phone was? What is your phone now? Did you see all the evolutions of mobile phones? Over the years there have been many upgrades to telephones. Phones have always been changing as the technology developed. There are : • Years • Weeks • Days Positive and negative gates. If you want to upgrade your phone you have to pass through positive Gates and increment the actual year of your phone. By the way do not forget to take plenty of phone cases...