Effective Learner
v3.0.23 · 17.7 MB · code 85
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File information
UpdatedOct 20, 2020
PublishedOct 20, 2020
Packagecom.neurosky.hafiz
Versionv3.0.23 (85)
Size17.7 MB
MD596fd0dfdd96ab74b001a92415c267c2c
Min SDK19
ABIsx86, x86-64, armeabi, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA1D5:E0:43:AB:84:66:1B:0F:20:F3:A7:54:E2:10:E7:01:E4:B3:67:A8
SignerCN=NeuroSky
Total downloads1,000
This version1,000
DeveloperNeuroSky Dev
Age ratingEveryone
What's new in v3.0.23
1. KOKOA certification
Security scan
TRUSTED
- Developer signature verified 2020-10-20
- Scanned for malware 2020-11-02 06:03:41
- Signature SHA1 D5:E0:43:AB:84:66:1B:0F:20:F3:A7:54:E2:10:E7:01:E4:B3:67:A8
- File MD5 96fd0dfdd96ab74b001a92415c267c2c
How to install Effective Learner v3.0.23 on Android 4.4 KitKat+
Takes about 2 minutes. You'll need roughly 17.7 MB of free storage.
- Grab com.neurosky.hafiz_85.apk — hit the Download button above (17.7 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 96fd0dfdd96ab74b…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.neurosky.hafiz_85.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=NeuroSky. 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 Effective Learner — tap Open on the install screen, or find the Effective Learner icon in your app drawer (this build targets x86/x86-64/armeabi/armeabi-v7a/arm64-v8a devices).
Common install errors for Effective Learner
- "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 4.4 KitKat 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.
- Works on one phone but not another — this build ships x86/x86-64/armeabi/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.