USF SAFE
v2.4 · 94.1 MB · code 24
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File information
UpdatedMar 15, 2026
PublishedOct 20, 2020
Packagecom.cutcom.apparmor.usf
Versionv2.4 (24)
Size94.1 MB
MD5d60233f69847c781cb78d924fc23d850
Min SDK24
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA152:5B:93:2A:EF:2D:50:A0:A9:63:3E:03:68:AB:1D:7E:CF:FB:54:D3
SignerCN=Chris Sinkinson, OU=Development, O=CutCom Software Inc., L=Kingston, ST=Ontario, C=CA
Total downloads1,000
This version1,000
DeveloperUniversity of South Florida
Age ratingEveryone
What's new in v2.4
Performance improvements.
Security scan
TRUSTED
- Developer signature verified 2026-03-15
- Signature SHA1 52:5B:93:2A:EF:2D:50:A0:A9:63:3E:03:68:AB:1D:7E:CF:FB:54:D3
- File MD5 d60233f69847c781cb78d924fc23d850
How to install USF SAFE v2.4 on Android 7.0 Nougat+
Takes about 2 minutes. You'll need roughly 94.1 MB of free storage.
- Grab com.cutcom.apparmor.usf_24.apk — hit the Download button above (94.1 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 d60233f69847c781…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.cutcom.apparmor.usf_24.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=Chris Sinkinson, OU=Development, O=CutCom Software Inc., L=Kingston, ST=Ontario, C=CA. 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 USF SAFE — tap Open on the install screen, or find the USF SAFE icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for USF SAFE
- "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 7.0 Nougat 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 x86/x86-64/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.