Echo Input (2018)
Model AEOCK. Firmware version details.
| Version Name | Fire OS 6.5.7.3 (NS6573/6553) |
| Version Code | 12853025156 |
| Uploaded | 2026-05-09 |
| Download URL | https://d1s31zyz7dcc2d.cloudfront.net/2026/5/9/6cdc7988-487a-455e-be6e-12bb7e2e6a7d/update-kindle-cupcake-NS6573_user_6553_0012853025156.bin |
| MD5 | 02444d5098b873472eff7f08797147c5 |