Useful Knots Pro
v2.4.0.0 · 12.2 MB · code 141
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File information
UpdatedDec 3, 2019
PublishedDec 3, 2019
Packagecom.neptuns.usefulknotspro
Versionv2.4.0.0 (141)
Size12.2 MB
MD5969e9e3c9e580a860d87b0e42785b5e6
Min SDK14
Malware scanTRUSTED
Signature SHA17C:DB:78:27:FB:22:87:F1:B8:36:0E:DE:CA:D1:16:5F:7A:6B:48:93
SignerCN=Neptuns, L=Riga, ST=Latvia, C=LV
Total downloads5,000
This version5,000
DeveloperNeptuns Apps
Age ratingEveryone
Security scan
TRUSTED
- Developer signature verified 2019-12-03
- Scanned for malware 2020-10-27 16:28:09
- Signature SHA1 7C:DB:78:27:FB:22:87:F1:B8:36:0E:DE:CA:D1:16:5F:7A:6B:48:93
- File MD5 969e9e3c9e580a860d87b0e42785b5e6
How to install Useful Knots Pro v2.4.0.0 on Android API 14+
Takes about 2 minutes. You'll need roughly 12.2 MB of free storage.
- Grab com.neptuns.usefulknotspro_141.apk — hit the Download button above (12.2 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 969e9e3c9e580a86…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.neptuns.usefulknotspro_141.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=Neptuns, L=Riga, ST=Latvia, C=LV. 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 Useful Knots Pro — tap Open on the install screen, or find the Useful Knots Pro icon in your app drawer.
Common install errors for Useful Knots Pro
- "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 API 14 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.