FIRMWARE
Fire TV Stick 4K Max - 1st Gen (2021)
- 11:10 — Fire OS 7.7.0.4 (PS7704/5024) (code 33723490436, build PS7704.5024N)
https://d1s31zyz7dcc2d.cloudfront.net/2025/8/18/4375e579-318f-48a7-bcbc-fb0987e95bd5/update-kindle-kara-PS7704_user_5024_0033723490436.bin