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What's New in the Latest Version 13.0b4
Oct 4, 2025
Thunderbird for Android version 13.0b4, based on K-9 Mail. Changes include:
- Sync could cause "IllegalStateException: No outbox_state entry for message id" error
APK Info
- Package Namenet.thunderbird.android.beta
- File FormatXAPK
- Android OSAndroid 5.0+ (Lollipop, API 21)
- Architecturearm64-v8a
- LanguagesEnglish 45 more
- Content RatingEveryone
- Signaturea17411f1092ca647500a8b6f0297e205088f4015
- FeedbackFlag as inappropriate
This is the latest version 13.0b4
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Other Versions
Thunderbird Beta for Testers 13.0b4
Download22.3 MBOct 4, 2025
Thunderbird Beta for Testers 13.0b3
Download22.4 MBSep 26, 2025
Thunderbird Beta for Testers 13.0b2
Download22.4 MBSep 19, 2025
Thunderbird Beta for Testers 13.0b1
Download12.5 MBSep 9, 2025
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