Fire OS
Fire OS specifications
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 |
Latest Fire OS user agents:
| User Agent |
Browser | Device |
| Instagram 437.0.0.33.78 Android (30/11; 248dpi; 800x1280; Amazon; KFRAPWI; raspite; mt8169; en_US; 1011909405) |
Instagram 437 | Fire HD 8 (2022) |
| Mozilla/5.0 (Linux; Android 15; KFO) AppleWebKit/537.36 (KHTML, like Gecko) Silk like Chrome/58.0.3029.83 Mobile Safari/537.36 |
Mobile Silk | Unknown |
| Mozilla/5.0 (Linux; Android 6.0.1; KFO) AppleWebKit/537.36 (KHTML, like Gecko) Silk like Chrome/58.0.3029.83 Mobile Safari/537.36 |
Mobile Silk | Unknown |
| Mozilla/5.0 (Linux; Android 5; KFO) AppleWebKit/537.36 (KHTML, like Gecko) Silk like Chrome/58.0.3029.83 Mobile Safari/537.36 |
Mobile Silk | Unknown |
| Mozilla/5.0 (Linux; Android 16; KFGIWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/146.4.21 like Chrome/146.0.7680.224 Safari/537.36 |
Mobile Silk 146 | Fire HD 8 (2016) |
| Dalvik/2.1.0 (Linux; U; Android 17.1; KFOX 1000 Build/QP1A.191105.004) |
Android Browser | Unknown |
| Dalvik/2.1.0 (Linux; U; Android 16; AFTMAF80E3 Build/SLMAIN16) |
Android Browser | Unknown |
| Mozilla/5.0 (Linux; Android 16; KFGIWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/148.0.499 like Chrome/148.0.7743.0 Safari/537.36 |
Mobile Silk 148 | Fire HD 8 (2016) |
| Mozilla/5.0 (Linux; Android 16; KFGIWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/142.10.4 like Chrome/142.0.7444.273 Safari/537.36 |
Mobile Silk 142 | Fire HD 8 (2016) |
| Mozilla/5.0 (Linux; Android 16; KFGIWI) AppleWebKit/537.36 (KHTML, like Gecko) Silk/147.0.499 like Chrome/147.0.7727.0 Safari/537.36 |
Mobile Silk 147 | Fire HD 8 (2016) |