GPRS / 3G The functions of mobile phones continue to expand, and with the emergence of GPRS technology, the boundaries of voice and packet-switching with the Internet were broken, making mobile phones even more convenient. The speed of GPRS has made it the most common mobile interface with the Internet. It's usually known as 2.5 G mobile telephony.
GPRS/3G 手機的功能不斷增加，GPRS 技術出現後，打破了電路傳輸的語音和使用封包技術的網際網路之間的界線，使得手機上網更為方便，GPRS 也因而迅速成為手機上網最普遍的方式，一般稱之為 2.5 代的行動電話。