YoloBook
v4.2.0 · 26.6 MB · code 420
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File information
UpdatedDec 1, 2025
PublishedSep 25, 2020
Packagenet.yolobook.yolobook
Versionv4.2.0 (420)
Size26.6 MB
MD5023f986655a2dbff57e5e08622349910
Min SDK23
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA121:4C:28:08:B3:23:2F:7A:39:37:D1:85:17:EB:0B:19:40:4E:F5:F9
SignerCN=Nikola Majstorovi?, L=Belgrade, ST=Serbia, C=RS
Total downloads500,000
This version500,000
DeveloperYolobook
Age ratingEveryone
What's new in v4.2.0
Multiple UX/UI bugfixes.
Security scan
TRUSTED
- Developer signature verified 2025-12-01
- Signature SHA1 21:4C:28:08:B3:23:2F:7A:39:37:D1:85:17:EB:0B:19:40:4E:F5:F9
- File MD5 023f986655a2dbff57e5e08622349910
How to install YoloBook v4.2.0 on Android 6.0 Marshmallow+
Takes about 2 minutes. You'll need roughly 26.6 MB of free storage.
- Grab net.yolobook.yolobook_420.apk — hit the Download button above (26.6 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 023f986655a2dbff…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find net.yolobook.yolobook_420.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=Nikola Majstorovi?, L=Belgrade, ST=Serbia, C=RS. 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 YoloBook — tap Open on the install screen, or find the YoloBook icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for YoloBook
- "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.
- Works on one phone but not another — this build ships x86/x86-64/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.