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2. History of prepaid mobile phones - Wikipedia

   en.wikipedia.org/wiki/History_of_prepaid_mobile...

   The history of the prepaid mobile phones began in the 1990s when mobile phone operators sought to expand their market reach. Up until this point, mobile phone services were exclusively offered on a postpaid basis (contract-based), which excluded individuals with poor credit ratings and minors under the age of 18 (the typical age of contractual ...

3. Prepaid mobile phone - Wikipedia

   en.wikipedia.org/wiki/Prepaid_mobile_phone

   A prepaid mobile device, also known as a pay-as-you-go ( PAYG ), pay-as-you-talk, pay and go, go-phone, prepay, or burner phone, is a mobile device such as a phone for which credit is purchased in advance of service use. The purchased credit is used to pay for telecommunications services at the point the service is accessed or consumed.

4. List of mobile virtual network operators in the United States

   en.wikipedia.org/wiki/List_of_mobile_virtual...

   No, plans capped at 13 GB max (after purchasing up to +5 GB at $10/GB), however can carryover ununsed data every month [531] No, plans do not slow and are cutoff upon reaching limits [533] Yes [534] Yes, carried over data can be used for tethering too Yes, int'l calling from U.S. [533] Yes [111] Owned by Verizon. Previously owned América ...

5. List of mobile network operators - Wikipedia

   en.wikipedia.org/wiki/List_of_mobile_network...

   For a more comprehensive list of mobile phone operators, ... Executive Stock Option Plan (0.26%) 30 Philippines: PLDT Inc. List. Philippines (Smart, TNT, Sun Cellular ...

6. List of best-selling mobile phones - Wikipedia

   en.wikipedia.org/wiki/List_of_best-selling...

   This is a list of best-selling mobile phones. The best-selling mobile devices are the bar phone Nokia 1100 and Nokia 1110, released in 2003 and 2005, respectively. Both models have sold over 250 million units. The best-selling touchscreen phones are the Apple iPhone 6 and 6 Plus, both released in 2014. Together, they have sold over 222 million ...

7. Comparison of mobile phone standards - Wikipedia

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

   In 3G, the most prevalent technology was UMTS with CDMA-2000 in close contention. All radio access technologies have to solve the same problems: to divide the finite RF spectrum among multiple users as efficiently as possible. GSM uses TDMA and FDMA for user and cell separation. UMTS, IS-95 and CDMA-2000 use CDMA.