Subnetting Practice
v10 · 2.9 MB · code 27
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File information
UpdatedJul 9, 2021
PublishedApr 7, 2021
Packagecom.aadi53.cidrprac
Versionv10 (27)
Size2.9 MB
MD5290c504f202586a96fbaad34a3c82b5c
Min SDK16
Malware scanTRUSTED
Signature SHA176:8B:6A:3D:2B:A9:7C:43:4C:63:92:27:05:20:62:D3:DE:4E:41:7B
SignerCN=Rutul Patel, OU=Zerones, O=Team Teachie, L=Bellmawr, ST=New Jersey, C=01
Total downloads50,000
This version50,000
DeveloperZerOnes
Age ratingEveryone
What's new in v10
- SSL bug fixed for devices running Android 4.x
Security scan
TRUSTED
- Developer signature verified 2021-07-09
- Scanned for malware 2021-07-26 12:39:21
- Signature SHA1 76:8B:6A:3D:2B:A9:7C:43:4C:63:92:27:05:20:62:D3:DE:4E:41:7B
- File MD5 290c504f202586a96fbaad34a3c82b5c
How to install Subnetting Practice v10 on Android API 16+
Takes about 2 minutes. You'll need roughly 2.9 MB of free storage.
- Grab com.aadi53.cidrprac_27.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 290c504f202586a9…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.aadi53.cidrprac_27.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=Rutul Patel, OU=Zerones, O=Team Teachie, L=Bellmawr, ST=New Jersey, C=01. 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 Subnetting Practice — tap Open on the install screen, or find the Subnetting Practice icon in your app drawer.
Common install errors for Subnetting Practice
- "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 16 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.