Polish license plates
v1.22.1 · 6.6 MB · code 22
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File information
UpdatedJan 2, 2026
PublishedMar 20, 2021
Packageeu.uvdb.education.plnumberplate
Versionv1.22.1 (22)
Size6.6 MB
MD5222c4f55b99f8acef05ffaf9a98f7718
Min SDK23
Malware scanTRUSTED
Signature SHA1CB:F4:FA:50:78:2B:D0:27:2D:20:C4:AB:5B:C8:90:5C:89:FE:63:13
SignerCN=Albert Walczyk, OU=Cygnus Programmer, O=Cygnus Programmer, L=Kielce, ST=Kielce, C=PL
Total downloads10,000
This version10,000
DeveloperCygnus Software
Age ratingEveryone
What's new in v1.22.1
Minor map corrections
Security scan
TRUSTED
- Developer signature verified 2026-01-02
- Signature SHA1 CB:F4:FA:50:78:2B:D0:27:2D:20:C4:AB:5B:C8:90:5C:89:FE:63:13
- File MD5 222c4f55b99f8acef05ffaf9a98f7718
How to install Polish license plates v1.22.1 on Android 6.0 Marshmallow+
Takes about 2 minutes. You'll need roughly 6.6 MB of free storage.
- Grab eu.uvdb.education.plnumberplate_22.apk — hit the Download button above (6.6 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 222c4f55b99f8ace…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find eu.uvdb.education.plnumberplate_22.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=Albert Walczyk, OU=Cygnus Programmer, O=Cygnus Programmer, L=Kielce, ST=Kielce, C=PL. 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 Polish license plates — tap Open on the install screen, or find the Polish license plates icon in your app drawer.
Common install errors for Polish license plates
- "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 6.0 Marshmallow 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.