Latest Mobile Silk 87 user agents:

User Agent Platform Device
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.2.9 like Chrome/87.0.4280.141 Safari/537.36 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.2.4 like Chrome/87.0.4280.141 Safari/537.36 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.1.160 like Chrome/87.0.4280.101 Safari/537.36 GNU/Linux Unknown
Mozilla/5.0 (Linux; Android 9; KFONWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.2.9 like Chrome/87.0.4280.141 Safari/537.36 Fire OS 7 Fire HD 8 (2020)
Mozilla/5.0 (Linux; Android 9; KFONWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.1.160 like Chrome/87.0.4280.101 Safari/537.36 Fire OS 7 Fire HD 8 (2020)
Mozilla/5.0 (Linux; Android 9; KFMUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.1.160 like Chrome/87.0.4280.101 Safari/537.36 Fire OS 7 Fire 7" (2019)
Mozilla/5.0 (Linux; Android 9; KFMAWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.2.9 like Chrome/87.0.4280.141 Safari/537.36 Fire OS 7 Fire HD 10 (2019)
Mozilla/5.0 (Linux; Android 9; KFMAWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.1.160 like Chrome/87.0.4280.101 Safari/537.36 Fire OS 7 Fire HD 10 (2019)
Mozilla/5.0 (Linux; Android 9; KFKAWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.2.9 like Chrome/87.0.4280.141 Safari/537.36 Fire OS 7 Fire HD 8 (2018)
Mozilla/5.0 (Linux; Android 9; KFKAWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.1.160 like Chrome/87.0.4280.101 Safari/537.36 Fire OS 7 Fire HD 8 (2018)
Mozilla/5.0 (Linux; Android 9; KFGIWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.2.9 like Chrome/87.0.4280.141 Safari/537.36 Fire OS 7 Fire HD 8 (2016)
Mozilla/5.0 (Linux; Android 9; KFGIWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.1.160 like Chrome/87.0.4280.101 Safari/537.36 Fire OS 7 Fire HD 8 (2016)
Mozilla/5.0 (Linux; Android 9; AFTSSS) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.2.4 like Chrome/87.0.4280.141 Safari/537.36 Fire OS 7 Fire TV Stick (Gen 3)
Mozilla/5.0 (Linux; Android 9; AFTSSS) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.1.160 like Chrome/87.0.4280.101 Safari/537.36 Fire OS 7 Fire TV Stick (Gen 3)
Mozilla/5.0 (Linux; Android 9; AFTSS) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.2.4 like Chrome/87.0.4280.141 Safari/537.36 Fire OS 7 Fire TV Stick Lite (Gen 1)
Mozilla/5.0 (Linux; Android 9; AFTSS) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.1.160 like Chrome/87.0.4280.101 Safari/537.36 Fire OS 7 Fire TV Stick Lite (Gen 1)
Mozilla/5.0 (Linux; Android 9; AFTR) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.2.4 like Chrome/87.0.4280.141 Safari/537.36 Fire OS 7 Fire TV Cube (Gen 2)
Mozilla/5.0 (Linux; Android 9; AFTR) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.1.160 like Chrome/87.0.4280.101 Safari/537.36 Fire OS 7 Fire TV Cube (Gen 2)
Mozilla/5.0 (Linux; Android 7.1.2; AFTTIFF55) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.2.4 like Chrome/87.0.4280.141 Safari/537.36 Fire OS 6 Fire TV (2020)
Mozilla/5.0 (Linux; Android 7.1.2; AFTMM) AppleWebKit/537.36 (KHTML, like Gecko) Silk/87.2.4 like Chrome/87.0.4280.141 Safari/537.36 Fire OS 6 Nebula Soundbar