Sound Maximizer Pro 📣
v8.1 · 3 MB · code 76
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File information
UpdatedFeb 14, 2026
PublishedFeb 19, 2021
Packagecom.appstudiob.boost.volume
Versionv8.1 (76)
Size3 MB
MD5ec37abee7a1325f6c534ca6db2ea081c
Min SDK14
Malware scanTRUSTED
Signature SHA18F:78:AA:9C:58:6A:5E:EA:F1:91:C2:D8:CE:FF:EF:EA:1F:E8:4A:59
SignerCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Total downloads500,000
This version500,000
DeveloperAppstudiobdr
Age ratingEveryone
What's new in v8.1
New design,fixed bugs
Security scan
TRUSTED
- Developer signature verified 2022-12-10
- Scanned for malware 2022-12-10 05:52:04
- Signature SHA1 8F:78:AA:9C:58:6A:5E:EA:F1:91:C2:D8:CE:FF:EF:EA:1F:E8:4A:59
- File MD5 ec37abee7a1325f6c534ca6db2ea081c
How to install Sound Maximizer Pro 📣 v8.1 on Android API 14+
Takes about 2 minutes. You'll need roughly 3 MB of free storage.
- Grab com.appstudiob.boost.volume_76.apk — hit the Download button above (3 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 ec37abee7a1325f6…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.appstudiob.boost.volume_76.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 Sound Maximizer Pro 📣 — tap Open on the install screen, or find the Sound Maximizer Pro 📣 icon in your app drawer.
Common install errors for Sound Maximizer Pro 📣
- "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 API 14 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.