How cell phones were invented By Alex Newton Jan 1, 1870 Telephone Jan 1, 1965 Cordless Phone Apr 3, 1973 First cell phone was invented Jan 1, 1979 first generation cell phone Jan 1, 1990 Second Generation phones Jan 1, 1992 Bag phones May 1, 2001 Third generation phone Jan 1, 2009 Fourth generation phone