Thunderbird APK latest version
Platform: arm64-v8a, armeabi-v7a, x86_64

k9mail-10.0.apk (10.0) APK
10.2 MB, Android 5.0 (Lollipop API 21)

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File Specifications
✅ This app is signed by with trusted and verified digital signature and it will updated existing Thunderbird installations
Certificate Fingerprint: 0f1f3252cba1c94ddd6186dad5a035e96c6ee5e3 Issuer: C=US, ST=MA, L=Somerville, O=fsck.com, OU=Open Source Labs, CN=Jesse Vincent
SHA-256: 2538f36822c4e161ff8a64daadde8ad0c91b6e799eae927989a3ccb0141b12f5
What's new in Thunderbird 10.0
- Server field is now pre-filled during manual account setup.
- Added a menu option to easily empty the Spam folder.
- Introduced an option to use the system theme on Android 10 and older.
- Updated PushService to run as a specialUse foreground service for Android 15.
- Gmail OAuth client IDs updated to Thunderbird for Android.
- Folder names in the drawer are now limited to two lines for better readability.
- The option to hide accounts is now remembered after restarting the app.
- Recipient field is now automatically focused when composing a new message.
Requested Permissions
- android.permission.READ_CONTACTS
- android.permission.POST_NOTIFICATIONS
- android.permission.RECEIVE_BOOT_COMPLETED
- android.permission.READ_SYNC_SETTINGS
- android.permission.ACCESS_NETWORK_STATE
- android.permission.INTERNET
- android.permission.VIBRATE
- android.permission.WAKE_LOCK
- android.permission.FOREGROUND_SERVICE
- android.permission.FOREGROUND_SERVICE_DATA_SYNC
- android.permission.FOREGROUND_SERVICE_SPECIAL_USE
- android.permission.SCHEDULE_EXACT_ALARM
- android.permission.USE_BIOMETRIC
- android.permission.USE_FINGERPRINT
- com.fsck.k9.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
How to install open source APK files on Android
- Once you have downloaded the APK file, open your Android settings.
- Tap on "Security".
- Scroll down and tap on "Unknown sources".
- Tap on the toggle switch to turn on "Unknown sources".
- Locate the APK file on your device. It may be in your downloads folder, or it may be in a different folder depending on where you downloaded it from.
- Tap on the APK file to start the installation process.
- Follow the on-screen instructions to complete the installation.