Device and app evidence
Fire TV Stick 4K second generation (2023) · IPTV setup and compatibility
Amazon lists AFTKM as the 8 GB second-generation 4K Stick. Its same-year 4K Max sibling has more storage.

Amazon lists AFTKM as the 8 GB second-generation 4K Stick. Its same-year 4K Max sibling has more storage.
Confirm the exact product or platform
| Check | Manufacturer or publisher evidence |
|---|---|
| Platform | Fire OS |
| Publisher | Amazon |
| Applicable version | Fire OS 8 |
| Build model | AFTKM |
| Manufacturer-listed OS | Fire OS 8 |
| Android API level | 30 |
| Advertised storage | 8 GB |
| Manufacturer-listed RAM | 2 GB LPDDR4 |
What to do on your device
- Use AFTKM and the app’s storage report before deciding whether a failed update is a capacity problem.
- If the only regression appeared after a player update, compare the same title in a known supported player before removing your data.
Test the viewing task
Use one authorized programme with a known audio or caption track. Check the same task after the documented change. If the result differs, report the model, OS or app version and the format or connection that the guide above applies to.
View the manufacturer artwork
- Fire TV Stick 4K - 2nd Gen (2023) - 8 GB · 5000 × 5000