Echo Flex (2019)
Model AEOCR. Fire OS 6.5.7.0 (NS6570/6071), build 12383139716, recorded Aug 16, 2025.
Firmware package identifier com.amazon.croissant.android.os. This page preserves the metadata
associated with one public firmware source record.
| Version Name | Fire OS 6.5.7.0 (NS6570/6071) |
| Version Code | 12383139716 |
| Uploaded | 2025-08-16 |
| MD5 | 3f5e697773d754970c0e2e73a85c0ae5 |
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/2025/8/16/b027b66c-88b0-416f-ac2c-315cec9751ba/update-kindle-croissant-NS6570_user_6071_0012383139716.bin Open source URL