Security Master - Boost, Defend, Clean
v42 · 19.4 MB · code 3145770
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File information
UpdatedOct 2, 2021
PublishedJul 22, 2021
Packagecom.securitycentery
Versionv42 (3145770)
Size19.4 MB
MD59dd0d6d7479bdcfb792c73e7df2c0028
Min SDK21
ABIsarm64-v8a
Malware scanUNKNOWN
Signature SHA12C:25:E8:65:A2:24:0E:A7:46:43:AB:5C:78:FC:92:2A:47:24:DA:D5
SignerCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Total downloads10,000,000
This version10,000,000
DeveloperWTX Apps Corp
Age ratingEveryone
What's new in v42
Security Master is a highly reliable ALL-IN-ONE solution for all your device’s Security and Performance needs.
It is loaded with several key features including Battery Optimization, Memory Booster, and Performance Enhancement. It helps eliminate any inefficiencies that slow the device and may result in malfunctioning.
New in this version: internal fix
It is loaded with several key features including Battery Optimization, Memory Booster, and Performance Enhancement. It helps eliminate any inefficiencies that slow the device and may result in malfunctioning.
New in this version: internal fix
Security scan
UNKNOWN
- Developer signature verified 2021-10-02
- Scanned for malware 2021-10-02 20:35:01
- Signature SHA1 2C:25:E8:65:A2:24:0E:A7:46:43:AB:5C:78:FC:92:2A:47:24:DA:D5
- File MD5 9dd0d6d7479bdcfb792c73e7df2c0028
How to install Security Master - Boost, Defend, Clean v42 on Android 5.0 Lollipop+
Takes about 2 minutes. You'll need roughly 19.4 MB of free storage.
- Grab com.securitycentery_3145770.apk — hit the Download button above (19.4 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 9dd0d6d7479bdcfb…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.securitycentery_3145770.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 UNKNOWN).
- Done — open Security Master - Boost, Defend, Clean — tap Open on the install screen, or find the Security Master - Boost, Defend, Clean icon in your app drawer (this build targets arm64-v8a devices).
Common install errors for Security Master - Boost, Defend, Clean
- "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.
- Works on one phone but not another — this build ships arm64-v8a native code. Devices with a different CPU will reject it.