Echo Dot 2nd Gen (2016)
Model AEOBC. Fire OS 6574.1 (NS65741/8138), build 13222529668, recorded Aug 31, 2026.
Firmware package identifier com.amazon.biscuit.android.os. This page preserves the metadata
associated with one public firmware source record.
| Version Name | Fire OS 6574.1 (NS65741/8138) |
| Version Code | 13222529668 |
| Uploaded | 2026-08-31 |
| MD5 | 723886117a7a4a8a543c2ec955dcd54e |
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/2026/8/31/9314fd65-d6e4-4a1a-8089-9f90ea835c77/update-kindle-biscuit_puffin-NS65741_user_8138_0013222529668.bin Open source URL