Device firmware summary
FTVDB catalogs 4 public firmware records for Kindle Fire HDX 8.9 - 3rd Gen (2013). The device is identified
by firmware package
com.amazon.apollo.android.os. These identifiers help distinguish hardware that may have
similar retail names but receives a different firmware line.
The catalog currently spans Sep 26, 2016 through Aug 12, 2020. The latest version in the ordered list is
Fire OS 4.5.5.3 (455007020), with build code 455007020 and a recorded date of Aug 12, 2020.
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.