It was shown in 2002
i phone 5
none
in 1999
India Is the Largest Mobile phone Users in the World
"The first hand-held mobile phone was demonstrated by Dr Martin Cooper of Motorola in 1973, using a handset weighing 2 kg" Cited from a Wikipedia article. 8-25-2011
1997 - Mobile phone service was introduced under the brand label DhiMobile. Initially this service was provided over Advanced Mobile Phone System. 1999 - Mobile phone service's platform changed to GSM
900MHz to 1800MHz
vinay
Ajay Jadeja
me!! hahaha....
According to a research in January, India will soon have third most mobile phone users in the world. So it is clear cut common sense that mobile phone battery is and would become even more profitable in the coming years.
Bharati Airtel