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Samsung/Model naming scheme

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Samsung, the most notorious smartphone manufacturer to make devices with many, many variants.
This is a description of the naming schema, keep in mind that there is a 3rd party observation of the naming trends and not based on any official material.
(i.e.; it is only speculation and there may be mistakes or even times when Samsung does not follow its own convention)
Also to keep in mind: not all devices are smartphones!
Samsung uses the same naming scheme for their featurephones; any gap in the models could be due to it not having been released or the slot being occupied by a featurephone.
This is a lot more common for carrier customized devices.
Device model names are generally broken down as thus:

<radio/model class> - <model family> <model number> <carrier/variant code>

Example: GT-I9103
  • Model Class: GT
  • Model Family: I
  • Model Number: 910x
  • Variant Code: 3
This would be an unbranded device (GT) in the I series. The 910x family are Samsung Galaxy S II Series devices, with this specific one being the Galaxy R

Radio/Model Class

G Prefix

G prefixed models are Samsung specific designs that have not been modified/customized to a specific carrier. These are devices intended for non-specific world release
If a device has the G prefix, it is always a GT device.

S Prefix

S prefixed models devices customized for a specific carrier and country.
Thus for all models prefixed with the S code, the following conclusion can be derived:
  • 1st letter: S
  • 2nd letter
  • C: CDMA
  • G: GSM
  • H: Home (as in Samsung's home country of South Korea(?) )
  • P: CDMA + Wimax (Paired (?) )
  • T: TDMA
  • W: Wimax
Common carrier setups:
  • SCH: Verizon
  • SGH: AT&T, Docomo, Rogers
  • SHW: LG U+, Korea Telecom, SK telecom
  • SPH: Sprint
This list is not all-inclusive; it merely represents the biggest carriers for its family class

Y Prefix

Y prefixed models are WIFI only devices, currently the only known ones are the Galaxy Player Series devices.
Unlike Galaxy tablets, these were never designed with the intention of cellular support.
Galaxy tablets are designed around having a PCI-E slot to optionally get a cellular modem

Model Family

The family letter weakly correlates the device to an actual family.
  • GT Series devices
    • B: Business
    • I: Flagship device
    • N: Galaxy Note
    • P: Galaxy tab devices
    • S: Lower-end device
  • S Series devices
    • I:
      • SCH-Ixxx: CDMA 850/1900
      • SGH-Ixxx: UMTS 850/1900
    • N: UMTS 800 (?)
    • T: UMTS 1700

Model Number

Model numbers are only valid for GT class devices
  • GT Series devices
    • I5xxx: Low end galaxy devices
    • I75xx: Galaxy Series
    • I90xx: Galaxy S Series
    • I91xx: Galaxy S II Series
    • I912x: Nexus S
    • I92xx: Galaxy Nexus
    • I93xx: Galaxy S III
    • N70xx: Galaxy Note
    • P10xx: Galaxy Tab 7.0 Series
    • P62xx: Galaxy Tab 7.0 Plus Series
    • P68xx: Galaxy Tab 7.7 Series
    • P71xx: Galaxy Tab 10.1v Series
    • P73xx: Galaxy Tab 8.9 Series
    • P75xx: Galaxy Tab 10.1 Series
S class devices are nearly random with Samsung simply randomly filling in values as they go.
A model number in the S class only sometimes indicates it's relative age

Carrier/Variant Code

The code used to indicate the specific carrier or variant of the device
  • GT Series devices
    • 0: Flagship device
    • 1: Hardware variant of flagship device
    • 2: Dual SIM variant
    • 3: Lower end hardware variant of flagship device
  • S Series devices
    • 0:
      • SCH-xyy0: Verizon branded device
      • SPH-xyy0: Sprint branded device
    • 3: Docomo branded device
    • 4: Docomo branded device
    • 5: Verizon branded device
    • 6: Rogers branded device
    • 7: AT&T branded device
    • 9: T-Mobile (USA) branded device