CFB ISD
v5.6.4.1000 · 28.3 MB · code 2000003
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File information
UpdatedMay 18, 2024
PublishedMar 27, 2021
Packagecom.blackboard.mosaic.cfbisd
Versionv5.6.4.1000 (2000003)
Size28.3 MB
MD54f8ab245bd60840f5a1bb48e50ea113f
Min SDK23
ABIsx86, x86-64, armeabi, armeabi-v7a, arm64-v8a, mips
Malware scanTRUSTED
Signature SHA132:4B:3E:50:3B:45:F5:E9:03:1F:F2:88:D0:0E:32:E6:3F:B8:56:5E
SignerCN=Eric Denman, OU=Blackboard Mobile, O=Blackboard, L=San Francisco, ST=CA, C=US
Total downloads5,000
This version5,000
DeveloperCarrollton Farmers Branch ISD
Age ratingEveryone
What's new in v5.6.4.1000
Minor Bug Fixes
Security scan
TRUSTED
- Developer signature verified 2024-05-18
- Signature SHA1 32:4B:3E:50:3B:45:F5:E9:03:1F:F2:88:D0:0E:32:E6:3F:B8:56:5E
- File MD5 4f8ab245bd60840f5a1bb48e50ea113f
How to install CFB ISD v5.6.4.1000 on Android 6.0 Marshmallow+
Takes about 2 minutes. You'll need roughly 28.3 MB of free storage.
- Grab com.blackboard.mosaic.cfbisd_2000003.apk — hit the Download button above (28.3 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 4f8ab245bd60840f…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.blackboard.mosaic.cfbisd_2000003.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=Eric Denman, OU=Blackboard Mobile, O=Blackboard, L=San Francisco, ST=CA, C=US. 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 CFB ISD — tap Open on the install screen, or find the CFB ISD icon in your app drawer (this build targets x86/x86-64/armeabi/armeabi-v7a/arm64-v8a/mips devices).
Common install errors for CFB ISD
- "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/armeabi-v7a/arm64-v8a/mips native code. Devices with a different CPU will reject it.