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K-9 Mail icon

K-9 Mail 16.1 APK download

Old versions may contain security vulnerabilities. Prefer the latest version when possible.

Version
16.1
Released
Feb 10, 2026
Minimum Android
Android 5.0
Target Android
Android 15
Package
com.fsck.k9

Download

Download 12.8 MB
SHA-256: 645d10ac187de078de9a098798c9ffc0bacad9105e70c67341f53203a66ee9da

This build will not install over a Google Play version of the same app. Uninstall the existing app first (back up your data).

How to install an APK file on Android · Which APK should I download? arm64-v8a, armeabi-v7a and x86 explained · How to check an APK's SHA-256 checksum

Screenshots

K-9 Mail 16.1 screenshot 1 K-9 Mail 16.1 screenshot 2 K-9 Mail 16.1 screenshot 3 K-9 Mail 16.1 screenshot 4 K-9 Mail 16.1 screenshot 5 K-9 Mail 16.1 screenshot 6 K-9 Mail 16.1 screenshot 7

What's new

No changelog was published for this version.

Permissions

No permission changes compared to the previous version.

All permissions (16)
  • android.permission.ACCESS_NETWORK_STATE
  • android.permission.CAMERA
  • android.permission.FOREGROUND_SERVICE
  • android.permission.FOREGROUND_SERVICE_DATA_SYNC
  • android.permission.FOREGROUND_SERVICE_SPECIAL_USE
  • android.permission.INTERNET
  • android.permission.POST_NOTIFICATIONS
  • android.permission.READ_CONTACTS
  • android.permission.READ_SYNC_SETTINGS
  • android.permission.RECEIVE_BOOT_COMPLETED
  • android.permission.SCHEDULE_EXACT_ALARM
  • android.permission.USE_BIOMETRIC
  • android.permission.USE_FINGERPRINT
  • android.permission.VIBRATE
  • android.permission.WAKE_LOCK
  • com.fsck.k9.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

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