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Which Fire TV Do I Have?

Type the model number printed on your stick, or the build code, and see exactly which Fire TV you own, when it came out, whether it runs Fire OS or Vega OS, and if it can install apps from outside the Appstore.

Where to find your Fire TV model number

  • On the device: the model number (such as S3L46N) is printed in small text on the stick or on the bottom of the Cube.
  • On the box or manual: it is listed with the regulatory information.
  • On screen: Settings › My Fire TV › About shows the device name and the software version. If it shows Vega OS, or no Fire OS number, the device is a Vega OS stick.

All Fire TV Stick and Cube models

DeviceYearModel numberBuild codeSystem
Fire TV Stick 4K (3rd gen)2026–AFTCR001Vega OS
Fire TV Stick HD2026–AFTCL001Vega OS
Fire TV Stick 4K Select2025–AFTCA002Vega OS
Fire TV Stick 4K Plus2025–AFTMA08C15Fire OS
Fire TV Stick HD2024–AFTSSFire OS
Fire TV Stick 4K Max (2nd gen)2023K3R6ATAFTKRTFire OS
Fire TV Stick 4K (2nd gen)2023M3N6RAAFTKMFire OS
Fire TV Cube (3rd gen)2022GA5Z9LAFTGAZLFire OS
Fire TV Stick 4K Max (1st gen)2021K2R2TEAFTKAFire OS
Fire TV Stick (3rd gen) / Lite2020S3L46NAFTSSS / AFTSSFire OS
Fire TV Cube (2nd gen)2019A78V3NAFTRFire OS
Fire TV Stick 4K (1st gen)2018E9L29YAFTMMFire OS
Fire TV Cube (1st gen)2018EX69VWAFTAFire OS
Fire TV Stick (2nd gen) / Basic Edition2016–2019LY73PRAFTTFire OS
Fire TV Stick (1st gen)2014W87CUNAFTMFire OS

Build codes come from Amazon's developer documentation; printed model numbers from published identification guides. A dash means the printed number is not yet confirmed; use Settings › My Fire TV › About instead.

Frequently asked questions

What Fire TV Stick is model S3L46N?

S3L46N is the 2020 hardware shared by the Fire TV Stick (3rd generation) and the Fire TV Stick Lite. They differ only in the remote.

What is model E9L29Y?

The Fire TV Stick 4K (1st generation) from 2018.

What is model K2R2TE?

The Fire TV Stick 4K Max (1st generation) from 2021.

Which Fire TV Sticks cannot sideload apps?

The Vega OS models: Fire TV Stick 4K Select (2025), Fire TV Stick HD (2026) and Fire TV Stick 4K (3rd gen, 2026). They only run Appstore apps.

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