HeadMaster
v3.1.2 · 23.8 MB · code 5
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File information
UpdatedOct 23, 2020
PublishedOct 23, 2020
Packagecom.acstechnologies.headmaster
Versionv3.1.2 (5)
Size23.8 MB
MD598f8e241c792fdfc93d6d7742f8ad145
Min SDK26
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA1EA:AC:FE:4B:0D:1F:2B:BC:7D:06:54:FB:F1:D6:29:9C:F5:35:DF:E7
SignerCN=Jamey McElveen, OU=ACSTechnologies, O=ACSTechnologies, L=Florence, ST=SC, C=US
Total downloads5,000
This version5,000
DeveloperACS Technologies
Age ratingEveryone
What's new in v3.1.2
Updated APK for 64 bit compliance
Security scan
TRUSTED
- Developer signature verified 2020-10-31
- Scanned for malware 2020-11-02 11:15:55
- Signature SHA1 EA:AC:FE:4B:0D:1F:2B:BC:7D:06:54:FB:F1:D6:29:9C:F5:35:DF:E7
- File MD5 98f8e241c792fdfc93d6d7742f8ad145
How to install HeadMaster v3.1.2 on Android 8.0 Oreo+
Takes about 2 minutes. You'll need roughly 23.8 MB of free storage.
- Grab com.acstechnologies.headmaster_5.apk — hit the Download button above (23.8 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 98f8e241c792fdfc…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.acstechnologies.headmaster_5.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=Jamey McElveen, OU=ACSTechnologies, O=ACSTechnologies, L=Florence, ST=SC, C=US. 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 HeadMaster — tap Open on the install screen, or find the HeadMaster icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for HeadMaster
- "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 8.0 Oreo 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.