FIRMWARE
Fire TV Stick 4K - 1st Gen (2018)
- 16:07 — Fire OS 6.7.1.0 (NS6710/5786) (code 11577760388, build NS6710)
https://d1s31zyz7dcc2d.cloudfront.net/2025/4/3/7d914dae-d2a5-4e19-babf-d3b808dc9dfb/update-kindle-mantis-NS6710_user_5786_0011577760388.bin