Latest Mobile Silk 104 user agents:

User Agent Platform Device
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.3.37 like Chrome/104.0.5112.126 Safari/537.36 GNU/Linux Unknown
Mozilla/5.0 (Linux; Android 9; KFTRWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.3.37 like Chrome/104.0.5112.126 Safari/537.36 [ip:78.151.25.250] Fire OS 7 Fire HD 10 (2021)
Mozilla/5.0 (Linux; Android 9; KFTRWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.3.37 like Chrome/104.0.5112.126 Safari/537.36 [ip:62.233.195.17] Fire OS 7 Fire HD 10 (2021)
Mozilla/5.0 (Linux; Android 9; KFTRWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.3.37 like Chrome/104.0.5112.126 Safari/537.36 [ip:31.190.62.60] Fire OS 7 Fire HD 10 (2021)
Mozilla/5.0 (Linux; Android 9; KFTRWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.3.37 like Chrome/104.0.5112.126 Safari/537.36 Fire OS 7 Fire HD 10 (2021)
Mozilla/5.0 (Linux; Android 9; KFTRWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.2.16 like Chrome/104.0.5112.114 Safari/537.36 Fire OS 7 Fire HD 10 (2021)
Mozilla/5.0 (Linux; Android 9; KFTRWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.1.177 like Chrome/104.0.5112.97 Safari/537.36 Fire OS 7 Fire HD 10 (2021)
Mozilla/5.0 (Linux; Android 9; KFTRWI) AppleWebKit/537.36 (KHTML%2C like Gecko) Silk/104.2.16 like Chrome/104.0.5112.114 Safari/537.36 Fire OS 7 Fire HD 10 (2021)
Mozilla/5.0 (Linux; Android 9; KFTRPWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.3.37 like Chrome/104.0.5112.126 Safari/537.36 Fire OS 7 Fire HD 10 Plus (2021)
Mozilla/5.0 (Linux; Android 9; KFTRPWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.2.16 like Chrome/104.0.5112.114 Safari/537.36 Fire OS 7 Fire HD 10 Plus (2021)
Mozilla/5.0 (Linux; Android 9; KFONWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.3.37 like Chrome/104.0.5112.126 Safari/537.36 [ip:122.210.62.247] Fire OS 7 Fire HD 8 (2020)
Mozilla/5.0 (Linux; Android 9; KFONWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.3.37 like Chrome/104.0.5112.126 Safari/537.36 Fire OS 7 Fire HD 8 (2020)
Mozilla/5.0 (Linux; Android 9; KFONWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.2.16 like Chrome/104.0.5112.114 Safari/537.36 [ip:185.122.44.36] Fire OS 7 Fire HD 8 (2020)
Mozilla/5.0 (Linux; Android 9; KFONWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.2.16 like Chrome/104.0.5112.114 Safari/537.36 Fire OS 7 Fire HD 8 (2020)
Mozilla/5.0 (Linux; Android 9; KFMUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.3.37 like Chrome/104.0.5112.126 Safari/537.36 [ip:73.138.60.99] Fire OS 7 Fire 7" (2019)
Mozilla/5.0 (Linux; Android 9; KFMUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.3.37 like Chrome/104.0.5112.126 Safari/537.36 Fire OS 7 Fire 7" (2019)
Mozilla/5.0 (Linux; Android 9; KFMUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.2.16 like Chrome/104.0.5112.114 Safari/537.36 Fire OS 7 Fire 7" (2019)
Mozilla/5.0 (Linux; Android 9; KFMUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.1.177 like Chrome/104.0.5112.97 Safari/537.36 Fire OS 7 Fire 7" (2019)
Mozilla/5.0 (Linux; Android 9; KFMAWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.5.9 like Chrome/104.0.0.0 Safari/537.36 Fire OS 7 Fire HD 10 (2019)
Mozilla/5.0 (Linux; Android 9; KFMAWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/104.3.37 like Chrome/104.0.5112.126 Safari/537.36 [ip:95.91.224.243] Fire OS 7 Fire HD 10 (2019)