Screen Test - Dead Pixel Check

Dead pixel test, touch screen test, burn-in check, color accuracy & screen info

uax.io · io.uax.screentest

Not rated yet 100K+ downloads v2026.03.18 524 KB Android 6.0+ PEGI 3 · Everyone

Download APK 524 KB All versions

Signature matches the Google Play version Details

Watch the Screen Test - Dead Pixel Check trailer on YouTube

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Screen Test - Dead Pixel Check screenshot 10

At a glance

Latest version: v2026.03.18 (20260318)
Updated: Mar 18, 2026 (7 months ago)
APK size: 524 KB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Tools (app)
Listed since: Nov 4, 2022 (at least)
Permissions: 9
Website: uax.io
Developer contact: [email protected]

About this APK

Screen Test - Dead Pixel Check is an app by uax.io in the Tools category, listed since at least November 2022. It has no native code, so it runs on any Android processor.

Since version 2025.09.02, the APK grew from 399 KB to 524 KB and the minimum Android version rose from 4.1 to 6.0. It asks for 9 permissions, none of them sensitive. Compared with version 2025.12.24, it adds 3 new permissions: “Access adservices ad id”, “Access adservices attribution” and “Access adservices topics”. The app can read the advertising ID that ad and analytics services use.

What's new in v2026.03.18

What's new in 2026.03.18: • Added new screen tests: Color Accuracy, Uniformity, Contrast, Grid, Response Time, Brightness, and Burn-In • Added support for 32 languages • Improved stability and performance

Description

From the listing uploaded by “appupdater”.

Screen Test is the ultimate display diagnostic toolkit for Android. Detect dead pixels, test touch responsiveness, check burn-in damage, and analyze your screen specs — all in one lightweight app. Whether you just bought a new phone, suspect display issues, or want to verify your screen's quality, Screen Test provides professional-grade diagnostic tools. 🔍 SCREEN TESTS • Dead Pixel Test — Cycle through solid colors to spot dead, stuck, or hot pixels on LCD and OLED screens. • Touch Screen Test — Draw across the display to find unresponsive dead zones on your digitizer. • Multi-Touch Test — Check how many simultaneous touch points your screen supports. • Color Accuracy Test — Verify color reproduction with RGB gradients, grayscale ramps, and SMPTE color bars. • Screen Uniformity Test — Detect backlight bleed and uneven brightness across your panel. • Contrast Test — Examine contrast ratios with checkerboard and stripe patterns. • Grid & Line Test — Identify screen distortion with precise grid, crosshair, and circle patterns. • Response Time Test — Check for ghosting and motion blur with moving objects at adjustable speeds. • Brightness Test — Test your display's brightness range from 0% to 100%. • Burn-In Test — Detect OLED burn-in and image retention from status bars, keyboards, and navigation bars. 📱 DEVICE & SCREEN INFO • Device model, manufacturer, and Android version • Screen resolution, density (DPI), and refresh rate • Supported refresh rates, aspect ratio • HDR capability and peak brightness • Wide color gamut (DCI-P3 vs sRGB) • Display cutout detection • Font scale setting • Local and public IP address ⚡ WHY SCREEN TEST? • Lightweight — Tiny app size, no bloat • No permissions required — Runs entirely offline • Dark mode support — Follows your system theme • Works on all devices — Phones, tablets, and foldables • 32 languages supported Download Screen Test now and make sure your display is flawless!

Version history

3 versions are listed, going back to v2025.09.02. Since v2026.03.18 it requires Android 6.0+.

v2026.03.18 LATEST Mar 18, 2026 524 KB TRUSTED v2025.12.24 Jan 17, 2026 399.6 KB TRUSTED v2025.09.02 Jan 2, 2026 399 KB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Mar 18, 2026.
Certificate issued to “UAX.IO” 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 Mar 18, 2026
Validated against Google Play Mar 18, 2026
Signed byCN=Son Nguyen, OU=Development, O=UAX.IO, L=Ho Chi Minh, ST=Ho Chi Minh, C=VN
Signing certificate (SHA-1)CB:C6:65:71:E7:B6:38:3F:4D:A4:55:33:05:9C:0B:84:51:C9:73:7D
File MD59f449cc947cb6cb7851d8d9387c51a5c
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 (9)

Screen Test - Dead Pixel Check requests 9 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) io.uax.screentest.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Screen Test - Dead Pixel Check APK: questions and answers

Is there a version of Screen Test - Dead Pixel Check for older Android phones?

The current version needs Android 6.0 or later. Version 2025.12.24 is the newest listed build that installs on Android 4.1 and later. Get version 2025.12.24 · 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 Screen Test - Dead Pixel Check 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 9f449cc947cb6cb7851d8d9387c51a5c.