A3 Smart Home
v5.9.3 · 209.2 MB · code 1905
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File information
UpdatedDec 6, 2025
PublishedJun 14, 2021
Packagecom.a3smarthome.A3Alarm
Versionv5.9.3 (1905)
Size209.2 MB
MD5cca2525e687cacb5aa26c4037d33188a
Min SDK28
ABIsx86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA13F:53:CF:6F:27:3E:0D:1C:F8:99:C6:0E:12:CC:2E:6E:70:67:B4:B4
SignerCN=Brandon, OU=Developers, O=Alarm.com, L=Vienna, ST=VA, C=US
Total downloads10,000
This version10,000
DeveloperA3 Smart Home
Age ratingEveryone
What's new in v5.9.3
Minor Enhancements
Security scan
TRUSTED
- Developer signature verified 2025-12-06
- Signature SHA1 3F:53:CF:6F:27:3E:0D:1C:F8:99:C6:0E:12:CC:2E:6E:70:67:B4:B4
- File MD5 cca2525e687cacb5aa26c4037d33188a
How to install A3 Smart Home v5.9.3 on Android 9 Pie+
Takes about 2 minutes. You'll need roughly 209.2 MB of free storage.
- Grab com.a3smarthome.A3Alarm_1905.apk — hit the Download button above (209.2 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 cca2525e687cacb5…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.a3smarthome.A3Alarm_1905.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=Brandon, OU=Developers, O=Alarm.com, L=Vienna, ST=VA, 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 A3 Smart Home — tap Open on the install screen, or find the A3 Smart Home icon in your app drawer (this build targets x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for A3 Smart Home
- "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 9 Pie 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 x86-64/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.