Echo Flex (2019)
Model AEOCR. Fire OS 6574.1 (NS65741/8149), build 13222532484, recorded Sep 29, 2026.
Firmware package identifier com.amazon.croissant.android.os. This page preserves the metadata
associated with one public firmware source record.
| Version Name | Fire OS 6574.1 (NS65741/8149) |
| Version Code | 13222532484 |
| Uploaded | 2026-09-29 |
| MD5 | 458eb32855911fbdaefc39d12838fac7 |
Original public source URL
FTVDB does not host, mirror, modify, proxy, or distribute this file. This record is public update metadata only.
https://d1s31zyz7dcc2d.cloudfront.net/2026/9/29/5feb717e-1d3e-4863-bd3e-abdd3c28bf0a/update-kindle-croissant-NS65741_user_8149_0013222532484.bin Open source URL