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Echo Dot 2nd Gen (2016)

Model AEOBC. Fire OS 6.5.7.1 (NS6571/6220), build 12584504452, recorded Jan 17, 2026.

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Firmware package identifier com.amazon.biscuit.android.os. This page preserves the metadata associated with one public firmware source record.

Version Name Fire OS 6.5.7.1 (NS6571/6220)
Version Code 12584504452
Uploaded 2026-01-17
MD5 fc8af8eac4dd3cabf12d593b71df4268

Original public source URL

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https://d1s31zyz7dcc2d.cloudfront.net/2026/1/17/ec308665-9df5-49b9-997e-d4f058b33af4/update-kindle-biscuit_puffin-NS6571_user_6220_0012584504452.bin Open source URL