Identify iPhone Models

Year introduced: 2022
Capacity: 128 GB, 256 GB, 512 GB, 1 TB
Colors: Silver, gold, space black, deep purple
Model numbers: A2651 (United States, Puerto Rico), A2893 (Canada, Guam, Japan, Mexico, Saudi Arabia, and U.S. Virgin Islands), A2896  (China mainland, Hong Kong, Macao), A2895 (Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia), A2894 (other countries and regions)

Details: iPhone 14 Pro Max has a 6.7-inch1 all-screen Super Retina XDR display. The back is premium matte glass, and there's a flat-edge stainless steel band around the frame. The side button is on the right side of the device. There are three cameras on the back: Ultra Wide, Main, and Telephoto. There's a LiDAR Scanner on the back. There's an LED True Tone flash on the back. In the United States, there is no SIM tray. In other countries or regions, there's a SIM tray on the left side that holds a "fourth form factor" (4FF) nano-SIM card.

See the tech specs for iPhone 14 Pro Max

Year introduced: 2022
Capacity: 128 GB, 256 GB, 512 GB, 1 TB
Colors: Silver, gold, space black, deep purple
Model numbers: A2659 (United States, Puerto Rico), A2889 (Canada, Guam, Japan, Mexico, Saudi Arabia, and U.S. Virgin Islands), A2892 (China mainland, Hong Kong, Macao), A2891 (Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia), A2890 (other countries and regions)

Details: iPhone 14 Pro has a 6.1-inch1 all-screen Super Retina XDR display. The back is premium matte glass, and there's a flat-edge stainless steel band around the frame. The side button is on the right side of the device. There are three cameras on the back: Ultra Wide, Main, and Telephoto. There's a LiDAR Scanner on the back. There's an LED True Tone flash on the back. In the United States, there is no SIM tray. In other countries or regions, there's a SIM tray on the left side that holds a "fourth form factor" (4FF) nano-SIM card.

See the tech specs for iPhone 14 Pro

Year introduced: 2022
Capacity: 128 GB, 256 GB, 512 GB
Colors: Midnight, blue, starlight, purple, (PRODUCT)RED
Model numbers: A2632 (United States, Puerto Rico), A2885 (Canada, Guam, Japan, Mexico, Saudi Arabia, and U.S. Virgin Islands), A2888 (China mainland, Hong Kong, Macao), A2887 (Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia), A2886 (other countries and regions)

Details: The iPhone 14 Plus has a 6.7 inch1 all-screen Super Retina XDR display. The back is glass, and there's a flat-edged anodized aluminum band around the frame. The side button is on the right side of the device. There are two cameras on the back: Ultra Wide and Main. In the United States, there is no SIM tray. In other countries or regions, there's a SIM tray on the left side that holds a "fourth form factor" (4FF) nano-SIM card. 

See the tech specs for iPhone 14 Plus

Year introduced: 2022
Capacity: 128 GB, 256 GB, 512 GB
Colors: Midnight, blue, starlight, purple, (PRODUCT)RED
Model numbers: A2649 (United States, Puerto Rico), A2881 (Canada, Guam, Japan, Mexico, Saudi Arabia, and U.S. Virgin Islands), A2884 (China mainland, Hong Kong, Macao), A2883 (Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia), A2882 (other countries and regions)

Details: The iPhone 14 has a 6.1 inch1 all-screen Super Retina XDR display. The back is glass, and there's a flat-edged anodized aluminum band around the frame. The side button is on the right side of the device. There are two cameras on the back: Ultra Wide and Main. In the United States, there is no SIM tray. In other countries or regions, there's a SIM tray on the left side that holds a "fourth form factor" (4FF) nano-SIM card.

See the tech specs for iPhone 14

Year introduced: 2022
Capacity: 64 GB, 128 GB, 256 GB
Colors: (PRODUCT)RED, starlight, midnight
Model numbers: A2595 (United States, Canada, Puerto Rico, U.S. Virgin Islands, Guam, Mexico, Saudi Arabia), A2782 (Japan), A2784 (Russia, Armenia, Belarus, Kazakhstan, Kyrgyzstan), A2785 (China), A2783 (other countries and regions)

Details: The display is 4.7 inches (diagonal). The glass front is flat with curved edges. The back is glass, and there's an anodized aluminum band around the frame. The side button is on the right side of the device. The device has a solid-state Home button with Touch ID. There's a 12 MP Wide camera on the back. There's an LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone SE (3rd generation)

Year introduced: 2021
Capacity: 128 GB, 256 GB, 512 GB, 1 TB
Colors: Graphite, gold, silver, sierra blue, alpine green
Model numbers: A2484 (United States), A2641 (Canada, Japan, Mexico, Saudi Arabia), A2644 (China mainland, Hong Kong, Macao), A2645 (Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia), A2643 (other countries and regions)

Details: iPhone 13 Pro Max has a 6.7-inch1 all-screen Super Retina XDR display with ProMotion. The back is textured matte glass, and there's a flat-edge stainless steel band around the frame. The side button is on the right side of the device. There are three 12 MP cameras on the back: Ultra Wide, Wide, and Telephoto. There's a LiDAR Scanner on the back. There's a Dual-LED True Tone flash on the back and a SIM tray on the left side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 13 Pro Max

Year introduced: 2021

Capacity: 128 GB, 256 GB, 512 GB, 1 TB
Colors: Graphite, gold, silver, sierra blue, alpine green
Model numbers: A2483 (United States), A2636 (Canada, Japan, Mexico, Saudi Arabia), A2639 (China mainland, Hong Kong, Macao), A2640 (Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia), A2638 (other countries and regions)

Details: iPhone 13 Pro has a 6.1-inch1 all-screen Super Retina XDR display with ProMotion. The back is textured matte glass, and there's a flat-edge stainless steel band around the frame. The side button is on the right side of the device. There are three 12 MP cameras on the back: Ultra Wide, Wide, and Telephoto. There's a LiDAR Scanner on the back. There's a Dual-LED True Tone flash on the back and a SIM tray on the left side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 13 Pro

Year introduced: 2021
Capacity: 128 GB, 256 GB, 512 GB
Colors: (PRODUCT)RED, starlight, midnight, blue, pink, green
Model numbers: A2482 (United States), A2631 (Canada, Japan, Mexico, Saudi Arabia), A2634 (China mainland, Hong Kong, Macao), A2635 (Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia), A2633 (other countires and regions)

Details: iPhone 13 has a 6.1-inch1 all-screen Super Retina XDR display. The back is glass, and there's a flat-edged anodized aluminum band around the frame. The side button is on the right side of the device. There are two 12 MP cameras on the back: Ultra Wide and Wide. There's a Dual-LED True Tone flash on the back and a SIM tray on the left side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 13

Year introduced: 2021
Capacity: 128 GB, 256 GB, 512 GB
Colors: (PRODUCT)RED, starlight, midnight, blue, pink, green
Model numbers: A2481 (United States), A2626 (Canada, Japan, Mexico, Saudi Arabia), A2629 (China mainland), A2630 (Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia), A2628 (other countries and regions)

Details: iPhone 13 mini has a 5.4-inch1 all-screen Super Retina XDR display. The back is glass, and there's a flat-edged anodized aluminum band around the frame. The side button is on the right side of the device. There are two 12 MP cameras on the back: Ultra Wide and Wide. There's a Dual-LED True Tone flash on the back and a SIM tray on the left side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 13 mini

Year introduced: 2020
Capacity: 128, 256, 512 GB
Colors: Silver, graphite, gold, pacific blue
Model numbers: A2342 (United States), A2410 (Canada, Japan), A2412 (China mainland, Hong Kong, Macao), A2411 (other countries and regions)

Details: iPhone 12 Pro Max has a 6.7-inch1 all-screen Super Retina XDR display. The back is textured matte glass, and there's a flat-edge stainless steel band around the frame. The side button is on the right side of the device. There are three 12 MP cameras on the back: Ultra Wide, Wide, and Telephoto. There's a LiDAR Scanner on the back. There's a Dual-LED True Tone flash on the back and a SIM tray on the left side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 12 Pro Max

Year introduced: 2020
Capacity: 128, 256, 512 GB
Colors: Silver, graphite, gold, pacific blue
Model numbers: A2341 (United States), A2406 (Canada, Japan), A2408 (China mainland, Hong Kong, Macao), A2407 (other countries and regions)

Details: iPhone 12 Pro has a 6.1-inch1 all-screen Super Retina XDR display. The back is textured matte glass, and there's a flat-edge stainless steel band around the frame. The side button is on the right side of the device. There are three 12 MP cameras on the back: Ultra Wide, Wide, and Telephoto. There's a LiDAR Scanner on the back. There's a Dual-LED True Tone flash on the back and a SIM tray on the left side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 12 Pro

Year introduced: 2020
Capacity: 64, 128, 256 GB
Colors: Black, white, (PRODUCT)RED, green, blue, purple
Model numbers: A2172 (United States), A2402 (Canada, Japan), A2404 (China Mainland, Hong Kong, Macao), A2403 (other countries and regions)

Details: iPhone 12 has a 6.1-inch1 all-screen Super Retina XDR display. The back is glass, and there's a flat-edged anodized aluminum band around the frame. The side button is on the right side of the device. There are two 12 MP cameras on the back: Ultra Wide and Wide. There's a Dual-LED True Tone flash on the back and a SIM tray on the left side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 12

Year introduced: 2020
Capacity: 64, 128, 256 GB
Colors: Black, white, (PRODUCT)RED, green, blue, purple
Model numbers: A2176 (United States), A2398 (Canada, Japan), A2400 (China mainland), A2399 (other countries and regions)

Details: iPhone 12 mini has a 5.4-inch1 all-screen Super Retina XDR display. The back is glass, and there's a flat-edged anodized aluminum band around the frame. The side button is on the right side of the device. There are two 12 MP cameras on the back: Ultra Wide and Wide. There's a Dual-LED True Tone flash on the back and a SIM tray on the left side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 12 mini

Year introduced: 2020
Capacity: 64, 128, 256 GB
Colors: White, black, (PRODUCT)RED
Model numbers: A2275 (Canada, United States), A2298 (China mainland), A2296 (other countries and regions)

Details: The display is 4.7 inches (diagonal). The glass front is flat with curved edges. The back is glass, and there's an anodized aluminum band around the frame. The side button is on the right side of the device. The device has a solid-state Home button with Touch ID. There's a Quad-LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone SE (2nd generation)

Year introduced: 2019
Capacity: 64, 256, 512 GB
Colors: Silver, space gray, gold, midnight green
Model numbers: A2160 (Canada, United States), A2217 (China mainland, Hong Kong, Macao), A2215 (other countries and regions)

Details: iPhone 11 Pro has a 5.8-inch1 all-screen Super Retina XDR display. The back is textured matte glass, and there's a stainless steel band around the frame. The side button is on the right side of the device. There are three 12 MP cameras on the back: Ultra Wide, Wide, and Telephoto. There's a Dual-LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 11 Pro

Year introduced: 2019
Capacity: 64, 256, 512 GB
Colors: Silver, space gray, gold, midnight green
Model numbers: A2161 (Canada, United States), A2220 (China mainland, Hong Kong, Macao), A2218 (other countries and regions)

Details: iPhone 11 Pro Max has a 6.5-inch1 all-screen Super Retina XDR display. The back is textured matte glass, and there's a stainless steel band around the frame. The side button is on the right side of the device. There are three 12 MP cameras on the back: Ultra Wide, Wide, and Telephoto. There's a Dual-LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 11 Pro Max

Year introduced: 2019
Capacity: 64, 128, 256 GB
Colors: Purple, green, yellow, black, white, (PRODUCT)RED
Model numbers: A2111 (Canada, United States), A2223 (China mainland, Hong Kong, Macao), A2221 (other countries and regions)

Details: iPhone 11 has a 6.1-inch1 Liquid Retina display. The back is glass, and there's an anodized aluminum band around the frame. The side button is on the right side of the device. There are two 12 MP cameras on the back: Ultra Wide and Wide. There's a Dual-LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 11

Year introduced: 2018
Capacity: 64, 256, 512 GB
Colors: Silver, space gray, gold
Model numbers: A1920, A2097, A2098 (Japan), A2099, A2100 (China mainland)

Details: iPhone XS has a 5.8-inch1 all-screen Super Retina display. The back is glass, and there's a stainless steel band around the frame. The side button is on the right side of the device. There are 12 MP wide-angle and telephoto cameras on the back. There's a Quad-LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone XS

Year introduced: 2018
Capacity: 64, 256, 512 GB
Colors: Silver, space gray, gold
Model numbers: A1921, A2101, A2102 (Japan), A2103, A2104 (China mainland)

Details: iPhone XS Max has a 6.5-inch1 all-screen Super Retina display. The back is glass, and there's a stainless steel band around the frame. The side button is on the right side of the device. There are 12 MP wide-angle and telephoto cameras on the back. There's a Quad-LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card.3 The IMEI is etched on the SIM tray. 

See the tech specs for iPhone XS Max

Year introduced: 2018
Capacity: 64, 128, 256 GB
Colors: Black, white, blue, yellow, coral, (PRODUCT)RED
Model numbers: A1984, A2105, A2106 (Japan), A2107, A2108 (China mainland)

Details: iPhone XR has a 6.1-inch1 Liquid Retina display. The back is glass, and there's an anodized aluminum band around the frame. The side button is on the right side of the device. There is a 12 MP wide-angle camera on the back. There's a Quad-LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone XR

Year introduced: 2017
Capacity: 64, 256 GB
Colors: Silver, space gray
Model numbers: A1865, A1901, A1902 (Japan2)

Details: iPhone X has a 5.8-inch1 all-screen Super Retina display. The back is glass, and there's a stainless steel band around the frame. The side button is on the right side of the device. There are 12 MP wide-angle and telephoto cameras on the back. There's a Quad-LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray. 

See the tech specs for iPhone X

Year introduced: 2017
Capacity: 64, 128, 256 GB
Colors: Gold, silver, space gray, (PRODUCT)RED
Model numbers: A1863, A1905, A1906 (Japan2)

Details: The display is 4.7 inches (diagonal). The glass front is flat with curved edges. The back is glass, and there's an anodized aluminum band around the frame. The side button is on the right side of the device. The device has a solid-state Home button with Touch ID. There's a Quad-LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 8

Year introduced: 2017
Capacity: 64, 128, 256 GB
Colors: Gold, silver, space gray, (PRODUCT)RED
Model numbers: A1864, A1897, A1898 (Japan2)

Details: The display is 5.5 inches (diagonal). The glass front is flat with curved edges. The back is glass, and there's an anodized aluminum band around the frame. The side button is on the right side of the device. The device has a solid-state Home button with Touch ID. There are 12 MP wide-angle and telephoto cameras on the back. There's a Quad-LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 8 Plus

Year introduced: 2016
Capacity: 32, 128, 256 GB
Colors: Black, jet black, gold, rose gold, silver, (PRODUCT)RED
Model number on the back cover: A1660, A1778, A1779 (Japan4)

Details: The display is 4.7 inches (diagonal). The glass front is flat with curved edges. The back is anodized aluminum. The Sleep/Wake button is on the right side of the device. The device has a solid-state Home button with Touch ID. There's a Quad-LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 7

Year introduced: 2016
Capacity: 32, 128, 256 GB
Colors: Black, jet black, gold, rose gold, silver, (PRODUCT)RED
Model number on the back cover: A1661, A1784, A1785 (Japan4)

Details: The display is 5.5 inches (diagonal). The glass front is flat with curved edges. The back is anodized aluminum. The Sleep/Wake button is on the right side of the device. The device has a solid-state Home button with Touch ID. There are dual 12 MP cameras on the back. There's a Quad-LED True Tone flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 7 Plus

Year introduced: 2016
Capacity: 16, 32, 64, 128 GB
Colors: Space gray, silver, gold, rose gold
Model number on the back cover: A1723, A1662, A1724

Details: The display is 4 inches (diagonal). The glass front is flat. The back is anodized aluminum with matte chamfered edges and a stainless steel inset logo. The Sleep/Wake button is on the top of the device. The Home button has Touch ID. There's a True Tone LED flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the back cover.

See the tech specs for iPhone SE

Year introduced: 2015
Capacity: 16, 32, 64, 128 GB
Colors: Space gray, silver, gold, rose gold
Model number on the back cover: A1633, A1688, A1700

Details: The display is 4.7 inches (diagonal). The glass front is flat with curved edges. The back is anodized aluminum with a laser-etched "S". The Sleep/Wake button is on the right side of the device. The Home button has Touch ID. There's a True Tone LED flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.

See the tech specs for iPhone 6s

Year introduced: 2015
Capacity: 16, 32, 64, 128 GB
Colors: Space gray, silver, gold, rose gold
Model number on the back cover: A1634, A1687, A1699

Details: The display is 5.5 inches (diagonal). The front is flat with curved edges and is made of glass. The back is anodized aluminum with a laser-etched "S". The Sleep/Wake button is on the right side of the device. The Home button has Touch ID. There's a True Tone LED flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray. 

See the tech specs for iPhone 6s Plus

Year introduced: 2014
Capacity: 16, 32, 64, 128 GB
Colors: Space gray, silver, gold
Model number on the back cover: A1549, A1586, A1589

Details: The display is 4.7 inches (diagonal). The front is flat with curved edges and is made of glass. The back is anodized aluminum. The Sleep/Wake button is on the right side of the device. The Home button has Touch ID. There's a True Tone LED flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the back cover.

See the tech specs for iPhone 6

Year introduced: 2014
Capacity: 16, 64, 128 GB
Colors: Space gray, silver, gold
Model number on the back cover: A1522, A1524, A1593

Details: The display is 5.5 inches (diagonal). The front has curved edges and is made of glass. The back is anodized aluminum. The Sleep/Wake button is on the right side of the device. The Home button has Touch ID. There's a True Tone LED flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the back cover.

See the tech specs for iPhone 6 Plus

Year introduced: 2013
Capacity: 16, 32, 64 GB
Colors: Space gray, silver, gold
Model number on the back cover: A1453, A1457, A1518, A1528,
A1530, A1533

Details: The front is flat and made of glass. The back is anodized aluminum. The Home button contains Touch ID. There's a True Tone LED flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the back cover.

See the tech specs for iPhone 5s

Year introduced: 2013
Capacity: 8, 16, 32 GB
Colors: White, blue, pink, green, yellow
Model number on the back cover: A1456, A1507, A1516, A1529, A1532

Details: The front is flat and made of glass. The back is hard-coated polycarbonate (plastic). There's a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the back cover.

See the tech specs for iPhone 5c

Year introduced: 2012
Capacity: 16, 32, 64 GB
Colors: Black and white
Model number on the back cover: A1428, A1429, A1442

Details: The front is flat and made of glass. The back is anodized aluminum. There's a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the back cover.

See the tech specs for iPhone 5

Year introduced: 2011
Capacity: 8, 16, 32, 64 GB
Colors: Black and white
Model number on the back cover: A1431, A1387

Details: The front and back are flat and made of glass, and there's a stainless steel band around the edges. The volume up and down buttons are marked with a "+" and "-" sign. There's a SIM tray on the right side that holds a "third form factor" (3FF) micro-SIM card.

See the tech specs for iPhone 4s

Year introduced: 2010 (GSM), 2011 (CDMA)
Capacity: 8, 16, 32 GB
Colors: Black and white
Model number on the back cover: A1349, A1332

Details: The front and back are flat and made of glass, and there's a stainless steel band around the edges. The volume up and down buttons are marked with a "+" and "-" sign. There's a SIM tray on the right side that holds a "third form factor" (3FF) micro-SIM card. The CDMA model has no SIM tray.

See the tech specs for iPhone 4

Year introduced: 2009
Capacity: 8, 16, 32 GB
Colors: Black and white
Model number on the back cover: A1325, A1303

Details: The back housing is made of plastic. The imprint on the back case is the same bright and shiny silver as the Apple logo. There's a SIM tray on the top side that holds a "second form factor" (2FF) mini-SIM. The serial number is printed on the SIM tray.

See the tech specs for iPhone 3GS

Year introduced: 2008, 2009 (China mainland)
Capacity: 8, 16 GB
Model number on the back cover: A1324, A1241

Details: The back housing is made of plastic. The imprint on the back of the phone is less shiny than the Apple logo above it. There's a SIM tray on the top side that holds a "second form factor" (2FF) mini-SIM. The serial number is printed on the SIM tray.

See the tech specs for iPhone 3G

Year introduced: 2007
Capacity: 4, 8, 16 GB
The model number on the back case is A1203.

Details: The back housing is made of anodized aluminum. There's a SIM tray on the top side that holds a "second form factor" (2FF) mini-SIM. The serial number is etched in the back case.

See the tech specs for iPhone