FIRMWARE
Fire TV Stick 4K - 2nd Gen (2023)
- Fire OS 8.1.6.0 (RS8160/3380) (code 30501844100, bundle com.amazon.karat.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/2026/1/31/1367b643-1f9f-4443-93ae-4731c0500bea/update-kindle-karat-RS8160_user_3380_0030501844100.bin