CPB Books
v6.3.3 · 33.1 MB · code 109
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File information
UpdatedJul 22, 2025
PublishedJun 10, 2023
Packagebr.com.cpb.reader
Versionv6.3.3 (109)
Size33.1 MB
MD5f81250df10ad089b080663a167000645
Min SDK23
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA1C5:5A:8D:AF:96:BF:AC:F5:13:44:A7:F5:22:BC:71:87:AF:B1:F4:78
SignerCN=Angelo Castelan Jr, OU=Unknown, O=Nyvra, L=Torres, ST=Rio Grande do Sul, C=BR
Total downloads50,000
This version50,000
DeveloperCasa Publicadora Brasileira
Age ratingEveryone
Security scan
TRUSTED
- Developer signature verified 2025-07-22
- Signature SHA1 C5:5A:8D:AF:96:BF:AC:F5:13:44:A7:F5:22:BC:71:87:AF:B1:F4:78
- File MD5 f81250df10ad089b080663a167000645
How to install CPB Books v6.3.3 on Android 6.0 Marshmallow+
Takes about 2 minutes. You'll need roughly 33.1 MB of free storage.
- Grab br.com.cpb.reader_109.apk — hit the Download button above (33.1 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 f81250df10ad089b…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find br.com.cpb.reader_109.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=Angelo Castelan Jr, OU=Unknown, O=Nyvra, L=Torres, ST=Rio Grande do Sul, C=BR. 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 CPB Books — tap Open on the install screen, or find the CPB Books icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for CPB Books
- "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.