For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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Product GuidesEnforcer GuidesMobile SDKAPI ReferenceCustomer support
Product GuidesEnforcer GuidesMobile SDKAPI ReferenceCustomer support
    • Overview
  • Mobile SDK (for Android, iOS, and visionOS)
      • Android changelog
  • iOS SDK
    • What's New
    • How to test your app with the SDK
  • Android SDK
    • What's New
    • How to test your app with the SDK
Mobile SDK (for Android, iOS, and visionOS)Android

Android changelog

February 24, 2026
February 24, 2026

Version 4.2.8

  • Fixed a crash that could occur when presenting a challenge on certain Samsung devices running Android 16, caused by an OS-level bug in Android’s resource loading. The SDK now handles this failure gracefully and notifies your app via the botDefenderChallengeCancelled delegate callbacks.
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