KS Fit
v5.9.13 · 135.1 MB · code 5100
Verify you're human
Solve this to start the download.
File information
UpdatedDec 21, 2025
PublishedMar 16, 2021
Packagecom.kingsmith.xiaojin
Versionv5.9.13 (5100)
Size135.1 MB
MD59a3a7cc1ff97159fb510a038ebd433c7
Min SDK23
ABIsarm64-v8a
Malware scanTRUSTED
Signature SHA12C:D8:D4:E9:F7:9A:EA:76:55:8C:42:18:AF:E0:C4:68:72:B8:8A:62
SignerCN=KingSmith, OU=KingSmith, O=KingSmith
Total downloads100,000
This version100,000
Developer北京金史密斯科技有限公司
Age ratingEveryone
What's new in v5.9.13
Fix known bugs
Optimize user experience
Optimize user experience
Security scan
TRUSTED
- Developer signature verified 2025-12-21
- Signature SHA1 2C:D8:D4:E9:F7:9A:EA:76:55:8C:42:18:AF:E0:C4:68:72:B8:8A:62
- File MD5 9a3a7cc1ff97159fb510a038ebd433c7
How to install KS Fit v5.9.13 on Android 6.0 Marshmallow+
Takes about 2 minutes. You'll need roughly 135.1 MB of free storage.
- Grab com.kingsmith.xiaojin_5100.apk — hit the Download button above (135.1 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches 9a3a7cc1ff97159f…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.kingsmith.xiaojin_5100.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read CN=KingSmith, OU=KingSmith, O=KingSmith. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open KS Fit — tap Open on the install screen, or find the KS Fit icon in your app drawer (this build targets arm64-v8a devices).
Common install errors for KS Fit
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android 6.0 Marshmallow or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.
- Works on one phone but not another — this build ships arm64-v8a native code. Devices with a different CPU will reject it.