Fire TV Stick 4K - 2nd Gen (2023)
Model AFTKM. Firmware version details.
| Version Name | Fire OS 8.1.4.5 (RS8145/3070) |
| Version Code | 28186508932 |
| Uploaded | 2025-07-17 |
| Download URL | https://ftvdb.com/blog/2026-04-07-respecting-contributor-requests/ |
| MD5 | 566197cb762cda3afdab06c21d54e75b |