Latest Amazon Fire HD 10 (2023) user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 11; KFTUWI Build/RS8338.3339N; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/142.0.7444.236 Safari/537.36 [FB_IAB/FB4A;FBAV/546.0.0.42.66;IABMV/1;]	Facebook 546	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI Build/RS8338.3339N; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/142.0.7444.236 Safari/537.36 [FB_IAB/FB4A;FBAV/551.1.0.58.63;IABMV/1;]	Facebook 551	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI Build/RS8338.3339N; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/142.0.7444.236 Safari/537.36 Instagram 419.0.0.49.71 Android (30/11; 240dpi; 1200x1920; Amazon; KFTUWI; tungsten; mt8169; en_US; 896334196; IABMV/1)	Instagram 419	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.7559.228 Safari/537.36	Chrome 144	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI Build/RS8338.3339N; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/142.0.7444.236 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/551.1.0.58.63;IABMV/1;]	Facebook 551	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/130.3.3 like Chrome/130.0.6723.102 Safari/537.36	Mobile Silk 130	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/128.2.1 like Chrome/128.0.6613.146 Safari/537.36 [ip:94.134.177.91]	Mobile Silk 128	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/128.2.1 like Chrome/128.0.6613.146 Safari/537.36 [ip:94.134.177.85]	Mobile Silk 128	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/128.2.1 like Chrome/128.0.6613.146 Safari/537.36 [ip:94.134.177.80]	Mobile Silk 128	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/128.2.1 like Chrome/128.0.6613.146 Safari/537.36 [ip:94.134.177.69]	Mobile Silk 128	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/128.2.1 like Chrome/128.0.6613.146 Safari/537.36	Mobile Silk 128	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/126.6.2 like Chrome/126.0.6478.238 Safari/537.36 [ip:94.134.177.94]	Mobile Silk 126	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/126.6.2 like Chrome/126.0.6478.238 Safari/537.36 [ip:94.134.177.93]	Mobile Silk 126	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/126.6.2 like Chrome/126.0.6478.238 Safari/537.36 [ip:94.134.177.92]	Mobile Silk 126	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/126.6.2 like Chrome/126.0.6478.238 Safari/537.36 [ip:94.134.177.84]	Mobile Silk 126	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/126.6.2 like Chrome/126.0.6478.238 Safari/537.36 [ip:94.134.177.80]	Mobile Silk 126	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/126.6.2 like Chrome/126.0.6478.238 Safari/537.36 [ip:94.134.177.79]	Mobile Silk 126	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/126.6.2 like Chrome/126.0.6478.238 Safari/537.36 [ip:94.134.177.78]	Mobile Silk 126	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/126.6.2 like Chrome/126.0.6478.238 Safari/537.36 [ip:94.134.177.75]	Mobile Silk 126	Fire OS 8
Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/126.6.2 like Chrome/126.0.6478.238 Safari/537.36 [ip:94.134.177.74]	Mobile Silk 126	Fire OS 8