Mobile Phone - Do You Know???

Mobile phone was first demonstrated by Dr Martin Cooper of Motorola in 1973

The weight of first mobile phone device was 2kg

GSM mobile phone network was started in Finland in 1991

The historic world's first GSM call was made by the Finnish Prime Minister, Harri Holkeri in July 1, 1991

The first short messaging service (SMS or "text message") was sent in 1992