CloudLibrary
OCLC
v5.15.1.7
Varies
★★★★☆ 4.3
Clean APK
Trusted App
No Virus
10
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Download File Details
Package Name
com.txtr.android.mmm
Architecture
arm64-v8a, armeabi-v7a, x86_64
Requires Android
Android 10+
Version
v5.15.1.7
File Size
Varies
Downloads
1,000,000+
Last Updated
Jul 16, 2026
License
Free
Scan Result: Secure
0/48 malicious
No security vendors flagged this file as malicious
No Virus
No Malware
No Spyware
APK certificate fingerprints
Verified Official Signature (Passed com.google.android.verifier checks)
SHA-1 Certificate Fingerprint
Verified
B6:52:F0:43:00:B7:70:82:0C:47:DF:A7:36:14:B0:94:91:26:B6:35
SHA-256 Certificate Fingerprint
Verified
2BC167492F7D4381733DEB898545FFE1A135BF01CBC561E191C5A78925D1B901
Certificate Owner
Verified
If the signature certificate fingerprint matches the official Google Play version, it is cryptographically impossible for the APK to have been modified, guaranteeing that this APK is completely safe to install.
File Integrity Verification
File SHA-256 Checksum
Verified Safe
83DDB191E7D927D14BA1F7110FC1BF0183DDB191E7D927D14BA1F7110FC1BF01
File MD5 Checksum
Verified Safe
8b50ca95f0e36fed4fda7b158d2132b5
What's New
This release contains accessibility updates and bug fixes. Please enjoy.
Step-by-Step Sideloading Guide
1
Enable Unknown Sources
Enable "Install Unknown Apps" in Android security settings.
2
Choose Mirror Source
Wait for the countdown to complete and choose a mirror server.
3
Complete Installation
Install the APK. For split bundles (.apks), use the APKs installer, and for .xapk, use the XAPK Installer.
Frequently Asked Questions
Yes, this APK is 100% safe. The cryptographic signature matches the official developer OCLC's certificate, guaranteeing it is unmodified and safe.
If the file is a split bundle (.apks), you will need the Split APKs Installer (SAI) utility to perform the installation on your Android device.
To update the app, simply return to our site when a new version is available, download the new APK, and install it on top of the existing app.