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  2. iPhone 4 - Wikipedia

    en.wikipedia.org/wiki/IPhone_4

    The Verizon iPhone went on sale on February 10 and pre orders began on February 3. [34] [35] [36] The Verizon iPhone includes the 'Personal Hotspot" feature which allows a user to use the iPhone as a wireless hotspot, with up to five devices connecting at one time. The February 3, 2011, presale of the iPhone 4 broke Verizon's first day sales ...

  3. List of iPhone models - Wikipedia

    en.wikipedia.org/wiki/List_of_iPhone_models

    The iPhone, developed by Apple Inc., is a line of smartphones that combine a mobile phone, digital camera, personal computer, and music player into one device. Introduced by then-CEO Steve Jobs on January 9, 2007, the iPhone revolutionized the mobile phone industry with its multi-touch interface and lack of physical keyboard.

  4. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    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.

  5. Code-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Code-division_multiple_access

    [clarification needed] The technology of CDMA was used in 1957, when the young military radio engineer Leonid Kupriyanovich in Moscow made an experimental model of a wearable automatic mobile phone, called LK-1 by him, with a base station. [8] LK-1 has a weight of 3 kg, 20–30 km operating distance, and 20–30 hours of battery life.

  6. History of the iPhone - Wikipedia

    en.wikipedia.org/wiki/History_of_the_iPhone

    On January 11, 2011, Verizon announced during a media event that it had reached an agreement with Apple and would begin selling a CDMA iPhone 4. The Verizon iPhone went on sale on February 10, 2011. [77] [78] [79] The CDMA version was a bespoke model, lacking a SIM slot and with a revised metal chassis, the design of which would be reused on ...

  7. iPhone 4s - Wikipedia

    en.wikipedia.org/wiki/IPhone_4S

    There were no external differences between the iPhone 4 CDMA model and the iPhone 4s, with the exception of a SIM card slot on the iPhone 4s. [23] All changes were internal (slight external differences between the iPhone 4 GSM model and the iPhone 4s exist, as said differences existed between the CDMA and GSM models of the iPhone 4). [25] [26]

  8. Verizon Wireless Said to Offer Apple iPhone in January 2011 - AOL

    www.aol.com/news/2010-06-29-verizon-iphone-apple...

    Verizon Wireless customers: The wait for an iPhone may soon be over. Verizon Wireless will begin selling Apple's (AAPL) iPhone early next year, opening up the wildly popular device to millions of ...

  9. Verizon's iPhone: Coming 'Early Next Year'? - AOL

    www.aol.com/2010/10/06/verizon-iphone-early-2011

    Our long, national nightmare of waiting for Apple's (AAPL) wildly popular iPhone to become available on Verizon Wireless may soon be over. Verizon, the country's largest mobile carrier, will begin ...