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The iPhone 3G is the second generation of iPhone, released in 2008 by Apple. It has GPS, 3G data, and the App Store, and was updated to iOS 4.2.1 in 2010.
Cellular network standards and generation timeline. This is a comparison of standards of wireless networking technologies for devices such as mobile phones.A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.
Voice over LTE (VoLTE) is a wireless standard for voice calls and SMS using LTE networks. It has higher capacity and quality than 3G and 2G, but requires compatible devices and providers.
The iPhone (1st generation) was the first smartphone by Apple, released in the US on June 29, 2007. It had a touchscreen, quad-band GSM, Wi-Fi, Bluetooth, and a 2 MP camera, and ran on the original iPhone OS.
This web page provides a comprehensive overview of the generations of wireless network technologies in mobile telecommunications, from 0G to 6G. It also compares the standards, features, and frequencies of each generation, as well as the year of commercial implementation.
Push email is an email system that transfers new messages to the user agent immediately, unlike polling email that checks for new mail periodically. Learn how push email works, how it differs from polling email, and which mobile devices support push email.
2G is a group of technology standards for digital mobile phone networks, launched in 1991 and superseded by 3G. Learn about the benefits, evolution, and criticism of 2G, as well as the countries and carriers that still use or have shut down 2G services.
ActiveSync is a software that synchronizes data between mobile devices and desktop computers or servers. It supports Windows Mobile, Windows CE, BlackBerry 10, iOS and Palm OS platforms, and has been replaced by Windows Mobile Device Center and Zune.