Universal Book Reader
v3.8.756 · 17.2 MB · code 756
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File information
UpdatedSep 14, 2020
PublishedApr 17, 2017
Packagecom.mobisystems.ubreader_west
Versionv3.8.756 (756)
Size17.2 MB
MD526a7191d9dd571bc330632bab843ece4
Min SDK14
ABIsarmeabi
Malware scanTRUSTED
Signature SHA139:24:E1:05:9F:20:B3:1D:87:2E:5A:54:59:5B:C8:C6:11:A3:E2:B8
SignerCN=Nikolay Kussovski, OU=Mobile Systems, O="Mobile Systems, Inc.", L=San Diego, ST=California, C=US
Total downloads10,000,000
This version10,000,000
DeveloperMobile Systems, Inc.
Age ratingEveryone
What's new in v3.8.756
· Introduced a fresh new look
· Simplified application navigation
· New long-press multi-select mode for book management
· Simplified application navigation
· New long-press multi-select mode for book management
Security scan
TRUSTED
- Developer signature verified 2021-11-11
- Scanned for malware 2020-11-03 21:18:21
- Signature SHA1 39:24:E1:05:9F:20:B3:1D:87:2E:5A:54:59:5B:C8:C6:11:A3:E2:B8
- File MD5 26a7191d9dd571bc330632bab843ece4
How to install Universal Book Reader v3.8.756 on Android API 14+
Takes about 2 minutes. You'll need roughly 17.2 MB of free storage.
- Grab com.mobisystems.ubreader_west_756.apk — hit the Download button above (17.2 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 26a7191d9dd571bc…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.mobisystems.ubreader_west_756.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=Nikolay Kussovski, OU=Mobile Systems, O="Mobile Systems, Inc.", L=San Diego, ST=California, 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 Universal Book Reader — tap Open on the install screen, or find the Universal Book Reader icon in your app drawer (this build targets armeabi devices).
Common install errors for Universal Book Reader
- "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 14 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 armeabi native code. Devices with a different CPU will reject it.