Here's how we parse the user agent:

Mozilla/5.0 (Linux; Android 5.1.1; KFSUWI Build/LVY48F) AppleWebKit/537.36 (KHTML, like Gecko) Silk/63.1.34 like Chrome/63.0.3239.111 Safari/537.36


Silk 63.1 on Fire OS
Amazon Fire HD 10 (2017)
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Here's detailed information about what we can parse:

Simplified readout

Clear, human readable descriptions of the software & platform
  • Simple Software String
    Silk 63.1 on Fire OS
  • Simple Sub-description
  • Simple Operating Platform
    Amazon Fire HD 10 (2017)

Software extras

Extra things this User agent announces.
  • Detected Addons
  • Software capabilities
  • Extra Info
  • Extra Info Table
    • System Build: LVY48F


Information about the web software

Operating System

Information about the Operating System
  • Operating System
    Fire OS
  • Operating System Name
  • Operating System Name Code
  • Operating System Flavour
  • Operating System Version
  • Operating System Version (full)
  • Operating System Frameworks


Miscellaneous Information

Browse all Silk user agents

Browse all Fire HD 10 (2017) user agents

Report a problem with this user agent

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We hope this user agent parse information was helpful. If you'd like to integrate this kind of detection into your own systems; we have a powerful and easy to use API. You'll be able to connect it to your contact forms, customer signups, bug reports, error logs and more.

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