Fire OS is an Android (AOSP)-based operating system developed by Amazon for their hardware devices. Fire OS includes a customized user interface primarily centered on content consumption, and heavy ties to content available from Amazon's storefronts including Appstore and services.
| Developer | Amazon.com, Inc. |
|---|---|
| Kernel / engine | Linux kernel |
| Supported platforms | ARM, ARM64 |
| First released | 2011-11-15 |
| User Agent | Browser | Device |
|---|---|---|
| Mozilla/5.0 (Linux; Android 11; AFTKRT) AppleWebKit/537.36 (KHTML, like Gecko) Silk/150.1.175 like Chrome/150.0.7871.181 Safari/537.36 | Mobile Silk 150 | Fire TV Stick 4K Max (2023) |
| Mozilla/5.0 (Linux; Android 9; AFTSS) AppleWebKit/537.36 (KHTML, like Gecko) Silk/138.16.11 like Chrome/138.0.7204.244 Safari/537.36 | Mobile Silk 138 | Fire TV Stick Lite (Gen 1) |
| Dalvik/2.1.0 (Linux; U; Android 11; AFTKM Build/RS8180.3739N) | Android Browser | Fire TV Stick 4K (2023) |
| Mozilla/5.0 (Linux; Android 11; KFTUWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/150.1.168 like Chrome/150.0.7871.181 Safari/537.36 | Mobile Silk 150 | Fire HD 10 (2023) |
| Dalvik/2.1.0 (Linux; U; Android 11; AFTSWN01 Build/RMAIN1.3326N) | Android Browser | Unknown |
| Dalvik/2.1.0 (Linux; U; Android 9; AFTSS Build/PS7715.5586N) | Android Browser | Fire TV Stick Lite (Gen 1) |
| Dalvik/2.1.0 (Linux; U; Android 9; AFTSSS Build/PS7715.5586N) | Android Browser | Fire TV Stick (Gen 3) |
| Dalvik/2.1.0 (Linux; U; Android 9; AFTKA Build/PS7709.840N) | Android Browser | Fire TV Stick 4K Max |
| Dalvik/2.1.0 (Linux; U; Android 9; AFTSHN02 Build/PS7715.5585N) | Android Browser | FHD Fire TV (2023) |
| Mozilla/5.0 (Linux; Android 9; AFTSS Build/PS7715.5585N; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/138.0.7204.244 Mobile Safari/537.36 | Chrome Webview 138 | Fire TV Stick Lite (Gen 1) |