Latest Amazon Fire TV Stick 4K Max user agents:

User Agent	Browser	Platform
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7709.840N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7685.4486N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7709.828N)	Android Browser	Fire OS 7
MXPlayer/1.36.11 (Linux; Android 9; en-US; AFTKA Build/PS7713.5443N)	MX Player 1	Android 9
Mozilla/5.0 (Linux; Android 9; AFTKA) AppleWebKit/537.36 (KHTML, like Gecko) Silk/138.15.1 like Chrome/138.0.7204.244 Safari/537.36	Mobile Silk 138	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PMAIN1.332N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7708.5501N)	Android Browser	Fire OS 7
Kodi/21.3 (Linux; Android 9.0; AFTKA Build/PS7713.5443N) Android TV/9.0.0 Sys_CPU/armv7l App_Bitness/32 Version/21.3-(21.3.0)-Git:20251031-a3a448d26b	Unknown	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7664.3772N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7671.4097N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7704.5024N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7699.4896N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7709.826N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PMAIN1.304N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PMAIN1.314N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7702.4965N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PMAIN1.311N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7706.5106N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7711.5272N)	Android Browser	Fire OS 7
Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7712.5372N)	Android Browser	Fire OS 7