2.5 G (2.5 Generation) era after era, it is between 2G and 3G, that is, 2.5 G 2.5 G in this era as technology GPRS (General Packet Radio Service) used to increase data transmission speeds than 2.5 G 2G era era, but it will be an era that began with the use of the service on the part of more information and send messages SMS MMS comes as it developed from a mobile phone, began to change from a black and white screen color screen and have come as a ringtone.
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