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Download K-9 Mail 5.010 APK
Target: Android 4.2 (Jelly Bean MR1, API 17)
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What's new in K-9 Mail 5.010
Changes in v5.010:
• Fixed packaging error; v5.009 was missing translations in some cases
Changes in v5.009:
• Protect against the Surreptitious Sharing vulnerability
• Improved MIME type handling when other apps share files to K-9 Mail
About K-9 Mail 5.010
K-9 Mail is an open-source e-mail client with search, IMAP push email, multi-folder sync, flagging, filing, signatures, bcc-self, PGP, mail on SD & more!
K-9 supports IMAP, POP3 and Exchange 2003/2007 (with WebDAV).
K-9 is a community developed project. If you're interested in helping to make the best email client on Android even better, please join us! You can find our bugtracker, source code, mailing list and wiki at github.com/k9mail/k-9
We're always happy to welcome new developers, designers, documenters, bug triagers and friends.
If you're having trouble with K-9, please report a bug at github.com/k9mail/k-9 rather than just leaving a one-star review. We don't mind you telling the world that you're frustrated, but if you use our bug tracker, we have a better chance of fixing whatever's giving you a hard time.
You can find K-9's release notes at: bit.ly/new-k9
(People sometimes call K-9: K9, K9 Mail, K-9 Email, K9 Email, K9 E-Mail, k9mail or k9email.)
K-9 Mail 5.010 variants
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:20.1
Uploaded:July 9, 2026 at 10:32AM UTC
File size:10.11 MB
Version:5.600(26000) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:September 2, 2018 at 7:41PM UTC
File size:4.58 MB
Downloads:6,400
Version:5.503(25030) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:May 22, 2018 at 6:03PM UTC
File size:4.58 MB
Downloads:390
Version:5.403(23630) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:January 7, 2018 at 5:26AM UTC
File size:5.06 MB
Downloads:1,285
Version:5.400(23600) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:December 31, 2017 at 5:03AM UTC
File size:5.06 MB
Downloads:456
Version:5.208(23271) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:September 5, 2017 at 9:06PM UTC
File size:4.53 MB
Downloads:385
Version:5.207(23270) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:August 1, 2017 at 4:15PM UTC
File size:4.53 MB
Downloads:451
Version:5.202(23220) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:January 5, 2017 at 5:52PM UTC
File size:4.45 MB
Downloads:623
Version:5.010(22010) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:April 4, 2016 at 5:05PM UTC
File size:2.95 MB
Downloads:476
Version:20.1
Uploaded:July 9, 2026 at 2:02PM UTC
File size:10.57 MB
Downloads:38
Version:20.0
Uploaded:June 23, 2026 at 2:13AM UTC
File size:10.11 MB
Downloads:52
Version:19.2
Uploaded:June 5, 2026 at 1:37AM UTC
File size:10.56 MB
Downloads:57
Version:19.0
Uploaded:May 29, 2026 at 12:34AM UTC
File size:10.05 MB
Downloads:36
Version:18.0
Uploaded:April 19, 2026 at 4:14PM UTC
File size:9.94 MB
Downloads:119
Version:17.0
Uploaded:March 24, 2026 at 1:32PM UTC
File size:14.01 MB
Downloads:77
Version:16.1
Uploaded:February 28, 2026 at 6:54PM UTC
File size:13.36 MB
Downloads:140
Version:16.0
Uploaded:February 3, 2026 at 6:14PM UTC
File size:13.36 MB
Downloads:89
Version:15.0
Uploaded:January 12, 2026 at 3:40PM UTC
File size:13.29 MB
Downloads:61
Version:14.0
Uploaded:December 20, 2025 at 7:58AM UTC
File size:12.93 MB
Downloads:107
