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trezor-suite/docs/misc/device-naming.md
2026-02-09 10:56:54 +01:00

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# Trezor device naming in codebase
Development/Internal name consists of 4 keys
<`product_class`> <`platform`> <`feature_class`> <`generation`>
- `product_class` - `'T'` for Trezor hardware wallet
- `platform` - `'1'` for STM32F207, `'2'` for STM32F42x
- `feature_class` - `'B'` for Buttons, `'T'` for Touch
- `generation`
| Official name | Development name |
| :------------: | :--------------: |
| Trezor Model 1 | T1B1 |
| Trezor Model T | T2T1 |
| Trezor Safe 3 | T2B1, T3B1 |
| Trezor Safe 5 | T3T1 |
| Trezor Safe 7 | T3W1 |
- Trezor Safe 3 exists in two variants, depending on its chip. It was upgraded post-release.