Bolek Calculator pro
v1.0.8 · 2.1 MB · code 32
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File information
UpdatedJan 25, 2023
PublishedJan 25, 2023
Packagede.alexvollmar.bolek_calculator_pro
Versionv1.0.8 (32)
Size2.1 MB
MD57008f243048af943e741c78eec57be30
Min SDK18
Malware scanUNKNOWN
Signature SHA1D2:42:61:3F:21:08:C9:E2:7B:FB:EE:4B:B5:CA:02:01:BA:28:CA:7F
SignerCN=Alexander Vollmar
Total downloads1,000
This version1,000
DeveloperAlexander Vollmar
Age ratingEveryone
What's new in v1.0.8
★ Small changes, corrections
Security scan
UNKNOWN
- Developer signature verified 2023-01-25
- Scanned for malware 2023-01-25 02:23:16
- Signature SHA1 D2:42:61:3F:21:08:C9:E2:7B:FB:EE:4B:B5:CA:02:01:BA:28:CA:7F
- File MD5 7008f243048af943e741c78eec57be30
How to install Bolek Calculator pro v1.0.8 on Android API 18+
Takes about 2 minutes. You'll need roughly 2.1 MB of free storage.
- Grab de.alexvollmar.bolek_calculator_pro_32.apk — hit the Download button above (2.1 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 7008f243048af943…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find de.alexvollmar.bolek_calculator_pro_32.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=Alexander Vollmar. 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 Bolek Calculator pro — tap Open on the install screen, or find the Bolek Calculator pro icon in your app drawer.
Common install errors for Bolek Calculator 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 18 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.