Master-O For Business
v4.5.0 · 51.7 MB · code 190
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File information
UpdatedJan 18, 2026
PublishedApr 20, 2021
Packageinspireone.mastero
Versionv4.5.0 (190)
Size51.7 MB
MD5ba362d224b2901a8dc877471bfba6115
Min SDK24
ABIsx86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA148:DB:4E:DB:FD:D2:1C:43:97:1B:69:8D:99:C5:24:0D:2D:6D:E8:8A
SignerCN=Kartik Mohla, OU=Master O, O=InspireOne pvt. ltd., L=Gurgaon, ST=Haryana, C=91
Total downloads100,000
This version100,000
DeveloperInspire One Technologies
Age ratingEveryone
What's new in v4.5.0
Minor bug fixes, Share Option enable, Notifications fixes
Security scan
TRUSTED
- Developer signature verified 2026-01-18
- Signature SHA1 48:DB:4E:DB:FD:D2:1C:43:97:1B:69:8D:99:C5:24:0D:2D:6D:E8:8A
- File MD5 ba362d224b2901a8dc877471bfba6115
How to install Master-O For Business v4.5.0 on Android 7.0 Nougat+
Takes about 2 minutes. You'll need roughly 51.7 MB of free storage.
- Grab inspireone.mastero_190.apk — hit the Download button above (51.7 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 ba362d224b2901a8…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find inspireone.mastero_190.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=Kartik Mohla, OU=Master O, O=InspireOne pvt. ltd., L=Gurgaon, ST=Haryana, C=91. 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 Master-O For Business — tap Open on the install screen, or find the Master-O For Business icon in your app drawer (this build targets x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for Master-O For Business
- "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 7.0 Nougat 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.