VQO

Spectralink voice quality optimization application

Spectralink Corporation · com.spectralink.slnkvqo

Not rated yet 5K+ downloads v34.4.89207 3.7 MB Android 13+ PEGI 3 · Everyone

Download APK 3.7 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v34.4.89207 (89207)
Updated: Jul 9, 2026 (3 months ago)
APK size: 3.7 MB
Requires: Android 13+ (API 33)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Productivity (app)
Listed since: Feb 22, 2021 (at least)
Permissions: 21
Website: spectralink.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

VQO is an app by Spectralink Corporation in the Productivity category, listed since at least February 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 33.4.89149, the APK grew from 3.3 MB to 3.7 MB. Since version 26.2.88691, the minimum Android version rose from 10 to 13. It asks for 21 permissions, none of them sensitive. It asks for the same permissions as version 33.4.89149. The app can read the advertising ID that ad and analytics services use.

What's new in v34.4.89207

26R2 Release

Description

From the listing uploaded by “appupdater”.

Voice Quality Optimization (VQO) app is Spectralink’s application for optimizing audio and video calls from Spectralink dialers or other third-party dialers. * Recognizes audio and video packets * Prioritizes packets for optimum voice quality * Allows standby threshold adjustments * For use only on Spectralink devices

Version history

5 versions are listed, going back to v26.2.88691. Since v32.1.89036 it requires Android 13+.

v34.4.89207 LATEST Jul 9, 2026 3.7 MB TRUSTED v33.4.89149 May 10, 2026 3.3 MB TRUSTED v32.1.89036 Nov 18, 2025 2.3 MB TRUSTED v30.1.88972-a11 Jun 18, 2025 2.3 MB TRUSTED v26.2.88691 Jul 9, 2026 2.4 MB TRUSTED

All 5 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jul 9, 2026.
Certificate issued to “Spectralink” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Jul 9, 2026
Validated against Google Play Jul 9, 2026
Signed by[email protected], CN=SpectralinkApps, OU=SpectralinkPlatform, O=Spectralink, L=Boulder, ST=Colorado, C=US
Signing certificate (SHA-1)A0:E2:85:15:7D:63:D8:20:58:D0:19:F1:7B:28:67:04:2C:64:18:4E
File MD59bbfe49304a7919b69758e016b081f72
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 (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (21)

VQO requests 21 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Advertising ID com.google.android.gms.permission.AD_ID
Change network state android.permission.CHANGE_NETWORK_STATE
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) com.spectralink.slnkvqo.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Local mac address android.permission.LOCAL_MAC_ADDRESS
Net admin android.permission.NET_ADMIN
Prevent the device from sleeping android.permission.WAKE_LOCK
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Spectralink collect configs (custom) spectralink.permission.COLLECT_CONFIGS
Spectralink file access request (custom) spectralink.permission.FILE_ACCESS_REQUEST
Spectralink file access response (custom) spectralink.permission.FILE_ACCESS_RESPONSE
Spectralink request ignore process freezing (custom) com.spectralink.permission.REQUEST_IGNORE_PROCESS_FREEZING
Spectralink web view (custom) spectralink.permission.WEB_VIEW
Spectralink wifi scan request (custom) spectralink.permission.WIFI_SCAN_REQUEST
Spectralink wifi scan response (custom) spectralink.permission.WIFI_SCAN_RESPONSE
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait
Wi-Fi android.hardware.wifi

VQO APK: questions and answers

Is there a version of VQO for older Android phones?

The current version needs Android 13 or later. Version 30.1.88972-a11 is the newest listed build that installs on Android 11 and later. Get version 30.1.88972-a11 · 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 VQO 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 2 other versions checked. After downloading, check that the file's MD5 is 9bbfe49304a7919b69758e016b081f72.

VQO