Device firmware summary
FTVDB catalogs 7 public firmware records for Fire HD 6 / Fire HD 7 - 4th Gen (2014). The device is identified
by model KFARWI/KFASWI and by firmware package
com.amazon.ariel.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 Aug 12, 2020. The latest version in the ordered list is
Fire OS 5.3.6.2 (605487420), with build code 605487420 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.