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Echo Dot 2nd Gen (2016)

Model AEOBC. Fire OS 6574.1 (NS65741/8146), build 13222531716, recorded Sep 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 6574.1 (NS65741/8146)
Version Code 13222531716
Uploaded 2026-09-17
MD5 8ca06ee4ef2806c974d2944b7fadd543

Original public source URL

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https://d1s31zyz7dcc2d.cloudfront.net/2026/9/17/566d9028-8c3d-45a2-b5a8-4c4439ba2126/update-kindle-biscuit_puffin-NS65741_user_8146_0013222531716.bin Open source URL