HKBU UChat

HKBU unified communication mobile app

HKBU · hk.edu.hkbu.ito.UChat

Not rated yet 1K+ downloads v2.2.3 60.3 MB Android 4.4+ PEGI 3 · Everyone

Download APK 60.3 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v2.2.3 (223060600)
Updated: May 18, 2026 (5 months ago)
APK size: 60.3 MB
Requires: Android 4.4+ (API 19)
CPU support: x86 32-bit, x86 64-bit, ARM (legacy), ARM 32-bit, ARM 64-bit, MIPS, MIPS 64-bit
Graphics: OpenGL ES 2.0+
Category: Communication (app)
Listed since: Jun 12, 2021 (at least)
Permissions: 63 (14 sensitive)
Website: ito.hkbu.edu.hk
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

HKBU UChat is an app by HKBU in the Communication category, listed since at least June 2021. It includes native code for x86 32-bit, x86 64-bit, ARM (legacy), ARM 32-bit, ARM 64-bit, MIPS and MIPS 64-bit, so it runs on practically every phone.

Since version 2.2, the minimum Android version rose from 4.1 to 4.4. It asks for 63 permissions, 14 of them sensitive, including precise location, camera and record audio. Compared with version 2.2, it adds 6 new permissions: “Advertising ID”, “Foreground service camera”, “Foreground service data sync” and 3 more. The app can read the advertising ID that ad and analytics services use.

What's new in v2.2.3

Bug fixes and improvements

Description

From the listing uploaded by “appupdater”.

UChat is an app for staff of Hong Kong Baptist University to communicate and collaborate over Wi-Fi and mobile network.

Version history

2 versions are listed, going back to v2.2. Since v2.2.3 it requires Android 4.4+.

v2.2.3 LATEST May 18, 2026 60.3 MB TRUSTED v2.2 Aug 27, 2023 63.8 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on May 18, 2026.
Certificate issued to “HKBU” This is the certificate of the Google Play version.
Same certificate as the other version checked

Store checks and file details

Developer signature verified May 18, 2026
Validated against Google Play May 18, 2026
Signed byCN=ITO - UCU, OU=ITO, O=HKBU, L=KOWLOON TONG, C=HK
Signing certificate (SHA-1)4C:DD:28:F1:CF:23:A3:39:5E:EB:B5:5D:82:2D:32:EC:A6:13:8F:53
File MD5bb1e50c281a4fac6104883dead506507
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (63)

HKBU UChat requests 63 permissions, 14 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
Call phone Sensitive android.permission.CALL_PHONE
Camera Sensitive android.permission.CAMERA
Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Read contacts Sensitive android.permission.READ_CONTACTS
Read media images Sensitive android.permission.READ_MEDIA_IMAGES
Read phone numbers Sensitive android.permission.READ_PHONE_NUMBERS
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Write contacts Sensitive android.permission.WRITE_CONTACTS
Access notification policy android.permission.ACCESS_NOTIFICATION_POLICY
Advertising ID com.google.android.gms.permission.AD_ID
Authenticate accounts android.permission.AUTHENTICATE_ACCOUNTS
Badge read (custom) com.sec.android.provider.badge.permission.READ
Badge write (custom) com.sec.android.provider.badge.permission.WRITE
Badger badge count read (custom) me.everything.badger.permission.BADGE_COUNT_READ
Badger badge count write (custom) me.everything.badger.permission.BADGE_COUNT_WRITE
Bluetooth android.permission.BLUETOOTH
Bluetooth admin android.permission.BLUETOOTH_ADMIN
Broadcast sticky android.permission.BROADCAST_STICKY
Change wifi multicast state android.permission.CHANGE_WIFI_MULTICAST_STATE
Control vibration android.permission.VIBRATE
Foreground service camera android.permission.FOREGROUND_SERVICE_CAMERA
Foreground service data sync android.permission.FOREGROUND_SERVICE_DATA_SYNC
Foreground service microphone android.permission.FOREGROUND_SERVICE_MICROPHONE
Foreground service phone call android.permission.FOREGROUND_SERVICE_PHONE_CALL
Foreground service remote messaging android.permission.FOREGROUND_SERVICE_REMOTE_MESSAGING
Full network access android.permission.INTERNET
Get tasks android.permission.GET_TASKS
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Home broadcast badge (custom) com.sonyericsson.home.permission.BROADCAST_BADGE
Home provider insert badge (custom) com.sonymobile.home.permission.PROVIDER_INSERT_BADGE
Internal broadcast protection (app-defined) hk.edu.hkbu.ito.UChat.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Launcher change badge (custom) com.huawei.android.launcher.permission.CHANGE_BADGE
Launcher read settings (custom) com.htc.launcher.permission.READ_SETTINGS
Launcher read settings (custom) com.huawei.android.launcher.permission.READ_SETTINGS
Launcher read settings (custom) com.oppo.launcher.permission.READ_SETTINGS
Launcher update badge (custom) com.majeur.launcher.permission.UPDATE_BADGE
Launcher update count (custom) com.anddoes.launcher.permission.UPDATE_COUNT
Launcher update shortcut (custom) com.htc.launcher.permission.UPDATE_SHORTCUT
Launcher write settings (custom) com.huawei.android.launcher.permission.WRITE_SETTINGS
Launcher write settings (custom) com.oppo.launcher.permission.WRITE_SETTINGS
Manage accounts android.permission.MANAGE_ACCOUNTS
Manage own calls android.permission.MANAGE_OWN_CALLS
Modify audio settings android.permission.MODIFY_AUDIO_SETTINGS
Modify phone state android.permission.MODIFY_PHONE_STATE
Prevent the device from sleeping android.permission.WAKE_LOCK
Read app badge android.permission.READ_APP_BADGE
Read logs android.permission.READ_LOGS
Read sync settings android.permission.READ_SYNC_SETTINGS
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Reorder tasks android.permission.REORDER_TASKS
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
Use credentials android.permission.USE_CREDENTIALS
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE
Write sync settings android.permission.WRITE_SYNC_SETTINGS

Required hardware & features

Bluetooth android.hardware.bluetooth
Basic touch input android.hardware.faketouch
Location android.hardware.location
Microphone android.hardware.microphone
Portrait screen android.hardware.screen.portrait
Wi-Fi android.hardware.wifi

HKBU UChat APK: questions and answers

Is there a version of HKBU UChat for older Android phones?

The current version needs Android 4.4 or later. Version 2.2 is the newest listed build that installs on Android 4.1 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 2.2 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the HKBU UChat APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is bb1e50c281a4fac6104883dead506507.