1G - HP HP  this first generation was very outdated. Marked with a bad connection conversations, lack of security and low capacity. I wonder if HP is still a kind of collecting. However, HP's first generation is still a large contribution because this is where the embryo of a more sophisticated HP continues to grow!

2G - HP Generation 2G phone (often associated with GSM) is still used in various parts of the world. 2G offers superior sound quality with high bit rate, different levels of encryption and sending SMS text messages, although still limited in terms of data communications.