Device firmware summary
FTVDB catalogs 7 public firmware records for Kindle Fire HDX 8.9 - 4th Gen (2014). The device is identified
by model KFSAWI/KFSAWA and by firmware package
com.amazon.saturn.android.os. These identifiers help distinguish hardware that may have
similar retail names but receives a different firmware line.
The catalog currently spans Oct 19, 2016 through Oct 29, 2020. The latest version in the ordered list is
Fire OS 5.3.6.2 (605488320), with build code 605488320 and a recorded date of Oct 29, 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.