Fire TV Stick 4K - 2nd Gen (2023)
Model AFTKM. Firmware version details.
| Version Name | Fire OS 8.1.5.5 (RS8155/3474) |
| Version Code | 29998551684 |
| Uploaded | 2025-11-03 |
| Download URL | https://ftvdb.com/blog/2026-04-07-respecting-contributor-requests/ |
| MD5 | 5106a5b92ae3b4e2e6bb94849bdf5128 |