Echo Input (2018)
Model AEOCK. Firmware version details.
| Version Name | Fire OS 6.5.7.2 (NS6572/6416) |
| Version Code | 12718772356 |
| Uploaded | 2026-02-22 |
| Download URL | https://d1s31zyz7dcc2d.cloudfront.net/2026/2/22/88e16ce2-d2c5-4d29-9fd1-1f5494d168c2/update-kindle-cupcake-NS6572_user_6416_0012718772356.bin |
| MD5 | 23315f025cd3d4d2a527758abce5c341 |