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iPhone versionsFollowing is a summary of iPhone models since the first iPhone in 2007. The primary enhancements are outlined below. See iPhone, iOS versions and Apple A series.
CURRENT iPHONES FROM APPLE MaxScreen Weight StorageModel Size (oz.) Resolution (GB) CPUXs Max 6.5" 7.3 1242x2688 512 A12 Xs 5.8" 6.2 1125x2436 512 A12 Xr 6.1" 6.8 828x1792 256 A12 8 Plus 5.5" 7.1 1080x1920 256 A11 8 4.7" 5.2 750x1334 256 A11 7 Plus 5.5" 6.6 1080x1920 128 A10 7 4.7" 4.9 750x1334 128 A10
iPhone Xs, Xs Max and Xr - (September 2018)
Faster processors geared for AI, virtual reality, etc. Top models are the Xs and Xr Max, while the Xr is the entry level in the X series. See iPhone X series.
iPhone 8/8 Plus - (September 2017)
Introduced with the iPhone X, the 8 and 8 Plus have wireless charging and minimum storage of 64GB, twice that of the 7 and 7 Plus. See iPhone 8.
iPhone 7/7 Plus - (September 2016)
Same size as the 6/6 Plus, the 7 and 7 Plus are water resistant with no analog headphone jack for the first time. The 7 Plus camera switches between two lenses. See iPhone 7.
PREVIOUS iPHONES MaxScreen Weight StorageModel Size (oz.) Resolution (GB) CPUX 5.8" 6.1 1125x2436 256 A11 SE 4.0 4.0 640x1136 128 A9 6s Plus 5.5" 6.8 1080x1920 128 A9 6s 4.7" 5.0 750x1334 128 A9 6 Plus 5.5" 6.1 1080x1920 128 A8 6 4.7" 4.6 750x1334 128 A8 5s 4.0" 4.0 640x1136 64 A7 5c 4.0" 4.7 640x1136 32 A7 5 4.0" 4.0 640x1136 64 A6 4s 3.5" 4.9 640x960 64 A5 4 3.5" 4.8 640x960 32 A5 3G S 3.5" 4.8 320x480 32 2298 3G 3.5" 4.7 320x480 16 0278 2G 3.5" 4.7 320x480 16 0098
iPhone X - (September 2017)
Thinner bezel on the X, an OLED screen and wireless charging. More biometric recognition (iris, face, etc.). For the first time, an iPhone cost more than USD $1000 with 256GB storage. See iPhone X.
iPhone SE (March 2016)
An entry-level iPhone for people who prefer a smaller phone. See iPhone SE.
iPhone 6s/6s Plus (September 2015)
Same size as the 6 and 6 Plus, the Force Touch feature was added to the 6s/6s Plus. The fingerprint scanner and camera were improved.
iPhone 6/6 Plus - (September 2014)
Thinner with many enhancements and larger screens: iPhone 6 is 4.7"; 6 Plus is 5.5". Apple's first credit card payment system was included (see Apple Pay). See iPhone 6.
iPhone 5s/5c - (September 2013)
Additional motion-sensing processor, fingerprint reader and greatly enhanced camera in the 5s. For the entry-level market, the iPhone 5c was introduced (repurposed 5 with larger battery and colorful cases). See iPhone 5s, iPhone 5c and iOS versions.
iPhone 5 - (September 2012)
The taller, thinner iPhone 5 included a larger screen, improved camera, re-designed earbuds and dock connector and support for the higher-speed 4G LTE networks. See iPhone 5 and iOS versions.
iPhone 4s - (October 2011)
The 4s added numerous features, including the Siri voice-based intelligent assistant. Although it looks like the 4, there were internal hardware changes. See iPhone 4s, iOS versions and Siri.
iPhone 4 - (June 2010)
The thinner iPhone 4 offered higher resolution, FaceTime video calling and multitasking. In February 2011, Verizon offered its first iPhone, a CDMA-based iPhone 4. See iPhone 4 and iOS versions.
iPhone 3G S - (June 2009)
The 3G S added a faster processor, video camera, voice phone dialer and improved battery life. With iOS 4, the 3G S finally had multitasking. See iOS versions.
iPhone 3G - (June 2008)
The higher-speed 3G data service was very welcome. The 3G added many improvements, including GPS. However, most significantly, the 3G was introduced with an application platform that made the iPhone a general-purpose computer and turned the mobile world upside down. The 3G also debuted in Canada and other parts of the world (see SIM lock). See iOS versions.
iPhone 2G - (June 2007)
The first iPhone was just plain "iPhone;" however the 2G was added by users to differentiate the first model after the iPhone 3G came out. Introduced in the U.S. exclusively from AT&T, the GSM-based iPhone was greeted with extraordinary enthusiasm (see "Quite a Frenzy" in iPhone). Although users raved, the first iPhone used the 2G GPRS and EDGE data networks, which were painfully slow for surfing the Web. See iOS versions.