Echo Flex (2019)
Model AEOCR. Fire OS 6574.1 (NS65741/8146), build 13222531716, recorded Sep 16, 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 (NS65741/8146) |
| Version Code | 13222531716 |
| Uploaded | 2026-09-16 |
| MD5 | 8c4fea7aa8bd58402544e828816f7835 |
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/2026/9/16/f1a1c70b-8fbe-459b-8396-e9c732242f8a/update-kindle-croissant-NS65741_user_8146_0013222531716.bin Open source URL