Cyber Firewall
v1.3 · 2.6 MB · code 13
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File information
UpdatedMar 2, 2020
PublishedMar 2, 2020
Packageac.dev.cyberFirewall
Versionv1.3 (13)
Size2.6 MB
MD57fa37999ad7cfcd5ecea3257fc79297c
Min SDK21
Malware scanTRUSTED
Signature SHA135:14:66:43:29:FB:76:A9:22:1D:0B:92:00:EB:AE:53:EE:C5:35:4B
SignerCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Total downloads1,000
This version1,000
DeveloperKrelix
Age ratingEveryone
Security scan
TRUSTED
- Developer signature verified 2020-03-03
- Scanned for malware 2021-01-16 07:54:39
- Signature SHA1 35:14:66:43:29:FB:76:A9:22:1D:0B:92:00:EB:AE:53:EE:C5:35:4B
- File MD5 7fa37999ad7cfcd5ecea3257fc79297c
How to install Cyber Firewall v1.3 on Android 5.0 Lollipop+
Takes about 2 minutes. You'll need roughly 2.6 MB of free storage.
- Grab ac.dev.cyberFirewall_13.apk — hit the Download button above (2.6 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 7fa37999ad7cfcd5…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find ac.dev.cyberFirewall_13.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=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, 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 Cyber Firewall — tap Open on the install screen, or find the Cyber Firewall icon in your app drawer.
Common install errors for Cyber Firewall
- "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 5.0 Lollipop 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.