Device firmware summary
FTVDB catalogs 16 public firmware records for Fire Max 11 - 13th Gen (2023). The device is identified
by model KFSNWI and by firmware package
com.amazon.sunstone.android.os. These identifiers help distinguish hardware that may have
similar retail names but receives a different firmware line.
The catalog currently spans Jun 9, 2023 through Dec 16, 2025. The latest version in the ordered list is
Fire OS 8.3.3.8 (RS8338/3339), with build code 30132734852 and a recorded date of Dec 16, 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.