Latest Amazon Kindle Fire HD 7" WiFi user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; U; Android 6.4.3; en-us; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.68 like Chrome/39.0.2171.93 Safari/537.36	Mobile Silk 3	Fire OS
Mozilla/5.0 (Linux; U; Android 4.4.3; pt-br; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.44 like Chrome/37.0.2026.117 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; it-it; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.44 like Chrome/37.0.2026.117 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; es-es; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.44 like Chrome/37.0.2026.117 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; es-419; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.44 like Chrome/37.0.2026.117 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; en-us; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.48 like Chrome/39.0.2171.93 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; en-us; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.47 like Chrome/37.0.2026.117 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; en-us; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.44 like Chrome/37.0.2026.117 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; en-us; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.41 like Chrome/37.0.2026.117 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; en-gb; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.68 like Chrome/39.0.2171.93 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; en-gb; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.47 like Chrome/37.0.2026.117 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; en-gb; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.46 like Chrome/37.0.2026.117 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; en-gb; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.44 like Chrome/37.0.2026.117 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; de-de; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.66 like Chrome/39.0.2171.93 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; de-de; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.41 like Chrome/37.0.2026.117 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.4.3; de-de; KFSOWI Build/KTU84M) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.40 like Chrome/37.0.2026.117 Safari/537.36	Mobile Silk 3	Fire OS 4
Mozilla/5.0 (Linux; U; Android 4.2.2; en-us; KFSOWI Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.32 like Chrome/34.0.1847.137 Safari/537.36	Mobile Silk 3	Fire OS 3
Mozilla/5.0 (Linux; U; Android 4.2.2; en-us; KFSOWI Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.30 like Chrome/34.0.1847.137 Safari/537.36	Mobile Silk 3	Fire OS 3
Mozilla/5.0 (Linux; U; Android 4.2.2; en-us; KFSOWI Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.23 like Chrome/34.0.1847.137 Safari/537.36	Mobile Silk 3	Fire OS 3
Mozilla/5.0 (Linux; U; Android 4.2.2; de-de; KFSOWI Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Silk/3.23 like Chrome/34.0.1847.137 Safari/537.36	Mobile Silk 3	Fire OS 3