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2. 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.

3. Comparison of Lumia smartphones - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_Lumia_smart...

   SIM Number of slots Dual Single/dual variants Single Dual Single Size Micro-SIM Nano-SIM AV Connectors 3.5mm audio jack Bluetooth 4.0: Charging/data transfer Micro-USB 2.0 NFC (secure) No No No No No No No Yes Yes Yes Yes Wi-Fi b/g/n a/b/g/n a/b/g/n/ac Qi Wireless charging No No No No No No No No with cover Yes Yes Miscellaneous: Lumia 430 ...

4. Dual-mode mobile - Wikipedia

   en.wikipedia.org/wiki/Dual-mode_mobile

   Mobile phones contain both cellular and non-cellular radios used for voice and data communication. There are also two types of dual-mode phones which use cellular radio which will contain GSM/CDMA/W-CDMA as well as other technology like IEEE 802.11 radio or DECT (Digital Enhanced Cordless Telecommunications) radio.

5. Dual SIM - Wikipedia

   en.wikipedia.org/wiki/Dual_SIM

   Dual SIM standby phones allow both SIMs to be accessed by using time multiplexing. When one SIM is in active use, for example on a call, the modem locks to it, leaving the other SIM unavailable. Older examples of dual-SIM standby phones include the Samsung Galaxy S Duos, [23] the Sony Xperia M2 Dual, [24] and the iPhone XS, XS Max and iPhone XR ...

6. 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.

7. iPhone 12 - Wikipedia

   en.wikipedia.org/wiki/IPhone_12

   The iPhone 12 and iPhone 12 Mini, like the iPhone 12 Pro and iPhone 12 Pro Max, are the first iPhone models from Apple to no longer include a power adapter or EarPods headphones found in prior iPhone models; however, a USB-C to Lightning cable is included; this change was retroactively applied to other iPhone models sold by Apple, such as the ...