Device firmware summary
FTVDB catalogs 13 public firmware records for Echo Dot - 3nd Gen Refresh (2019). The device is identified
by model AEOCP and by firmware package
com.amazon.crumpet.android.os. These identifiers help distinguish hardware that may have
similar retail names but receives a different firmware line.
The catalog currently spans Sep 9, 2021 through Nov 28, 2025. The latest version in the ordered list is
Fire OS 6.5.7.1 (NS6571/6208), with build code 12584501380 and a recorded date of Nov 28, 2025.
Compare the version label, numeric build code, and recorded date in the table below. Recorded dates describe the public source metadata in this catalog and are not an installation recommendation or a guarantee that an update applies to every device.