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U4 app icon

U4 Download APK

XAPK

hello again GmbH

1.27.0Version history
Trusted app
Size
71.7 MB
Downloads
849
Content rating
Everyone
Updated
Sep 11, 2026
Download APK (71.7 MB)

Before you download, review APK identity, checksum, scan notes, and install behavior. APK safety checklist

Latest version 1.27.0

Sep 11, 2026

No version-specific release notes are available.

U4 download FAQ

1. What should I check before downloading U4 APK?

Check the file size shown on this page (71.7 MB), package name, version, source notes, SHA-256, and scan notes before downloading.

2. What Android version does U4 require?

Install this APK on devices running Android 8.0+ or newer.

Download information

Review the file size, version, source, release date, and package identity before downloading.

Version
1.27.0
Size
71.7 MB
File type
XAPK
Release date
Sep 11, 2026

File verification

Use these values to compare the APK described on this page with the file you install. SHA-256 checksum guide

Package
at.u4.app
Publisher
hello again GmbH
Security verdict
Clean
Source
APKBA Verified Mirror
File SHA-256
b7f45e83844fb2e69c...04521a3ec36e
Signing certificate SHA-256
e8c81e0ba9b306c992...d2ca139ef7c9
MD5
9a6b90a3b0e7cfd2f9eb979d1657c63d

Android requirements

Confirm your device meets the Android requirement before installing this build.

Minimum Android
Android 8.0+
File type
XAPK
Release date
Sep 11, 2026

All available versions

Browse every published U4 build and choose the version you need.

Latest download
U4 1.27.0XAPKLatestSelectedNo version-specific release notes are available.
Sep 11, 202671.7 MBDownload
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