Postoffice Calculator
v1.4 · 2.9 MB · code 5
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File information
UpdatedMar 13, 2020
PublishedMar 13, 2020
Packagein.sapienceglobal.postinfo
Versionv1.4 (5)
Size2.9 MB
MD54065e76a508cde637df6df321e7a68e8
Min SDK15
Malware scanTRUSTED
Signature SHA1D8:0F:38:23:9A:B5:8C:E9:48:B8:E0:02:DE:6B:12:7C:12:D1:F7:FB
SignerCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Total downloads50,000
This version50,000
DeveloperSurajArora
Age ratingEveryone
Security scan
TRUSTED
- Developer signature verified 2020-03-13
- Scanned for malware 2021-01-10 07:32:43
- Signature SHA1 D8:0F:38:23:9A:B5:8C:E9:48:B8:E0:02:DE:6B:12:7C:12:D1:F7:FB
- File MD5 4065e76a508cde637df6df321e7a68e8
How to install Postoffice Calculator v1.4 on Android API 15+
Takes about 2 minutes. You'll need roughly 2.9 MB of free storage.
- Grab in.sapienceglobal.postinfo_5.apk — hit the Download button above (2.9 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 4065e76a508cde63…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find in.sapienceglobal.postinfo_5.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 Postoffice Calculator — tap Open on the install screen, or find the Postoffice Calculator icon in your app drawer.
Common install errors for Postoffice Calculator
- "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 15 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.