Nirmala Vidya
v4.0.1 · 72.7 MB · code 51
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File information
UpdatedApr 16, 2026
PublishedNov 3, 2020
Packageorg.nirmalvidya.mobile
Versionv4.0.1 (51)
Size72.7 MB
MD5f221b15912298e96d1b342cc367fc0de
Min SDK21
Malware scanTRUSTED
Signature SHA13A:37:43:87:BC:F4:D2:08:1D:CD:C1:57:97:62:DB:9D:5E:40:0E:F9
SignerCN=Nirmala Vidya, O=Nirmala Intellectual Property Corporation
Total downloads10,000
This version10,000
DeveloperNirmala Vidya llc
Age ratingEveryone
Security scan
TRUSTED
- Developer signature verified 2026-04-16
- Signature SHA1 3A:37:43:87:BC:F4:D2:08:1D:CD:C1:57:97:62:DB:9D:5E:40:0E:F9
- File MD5 f221b15912298e96d1b342cc367fc0de
How to install Nirmala Vidya v4.0.1 on Android 5.0 Lollipop+
Takes about 2 minutes. You'll need roughly 72.7 MB of free storage.
- Grab org.nirmalvidya.mobile_51.apk — hit the Download button above (72.7 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 f221b15912298e96…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find org.nirmalvidya.mobile_51.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=Nirmala Vidya, O=Nirmala Intellectual Property Corporation. 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 Nirmala Vidya — tap Open on the install screen, or find the Nirmala Vidya icon in your app drawer.
Common install errors for Nirmala Vidya
- "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.