QR Code Scanner app not working? crashes or has problems?

QR Code Scanner Status

Last Updated on 2024-02-08 by Sabrina Holzer

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Common QR Code Scanner Problems & Solutions. Troubleshooting Guide

Complete guide to troubleshoot QR Code Scanner app on iOS and Android devices. Solve all QR Code Scanner app problems, errors, connection issues, installation problems and crashes.

Table of Contents:

QR Code Scanner iPhone Issues and Solutions

QR Code Scanner iOS app crashes, not working, errors
QR Code Scanner iOS app network issues
QR Code Scanner on iOS has black/white screen

QR Code Scanner Android App Issues and Solutions

QR Code Scanner has errors/crashing/not working
QR Code Scanner server network connectivity issues
QR Code Scanner has black screen

QR Code Scanner iPhone Issues and Solutions

Here are some helpful workarounds that should work whenever QR Code Scanner app keeps crashing or doesn't work as expected on your iPhone 14, 13,12,10,8,7,6, SE,XS,XR.

How to fix QR Code Scanner app crashes or not working on Iphone (iOS):

Close and restart the QR Code Scanner app on iPhone
Update QR Code Scanner app to the Latest Version for iOS
Uninstall and reinstall QR Code Scanner iPhone app
Update your iPhone to the latest iOS version

Fix QR Code Scanner on iPhone unable to connect to server/internet connection issues::

To resolve QR Code Scanner network issues, Reset phone network settings:
1. On iphone, Goto "Settings" » "General" » "Reset" » "Reset Network Settings".
2. Enter your device passcode. Then confirm "Reset Network Settings".

Turn off your VPN:
1. Goto "Settings" » "General" » "VPN".

Fix QR Code Scanner black/white screen (blank screen) on iPhone:

Follow the QR Code Scanner iOS app troubleshooting guide Here →

QR Code Scanner Android App Issues and Solutions

Fix QR Code Scanner not working on Android, crashes, errors or is unresponsive:

Follow these steps to resolve intermittent QR Code Scanner app issues:

Force Stop the QR Code Scanner App
1. On android, goto "Settings" » click QR Code Scanner app. » click "Force Stop".

Update QR Code Scanner to the latest version on PlayStore

Clear QR Code Scanner App Cache and Data:
1. On your device, goto "Settings" » click "Apps" » select "QR Code Scanner app" » click "Storage" » click "Clear Data" option. This Clears both data and cache.
2. Relaunch QR Code Scanner.

Fix QR Code Scanner unable to contact server/ QR Code Scanner internet connection errors on Android:

This issue is usually caused by your network. Here is how to fix:

On android, goto "Settings" » "Apps" or "Manage Apps" tab.
Click QR Code Scanner » "Force Stop".
Next, goto "Storage" » "Clear Data".
Again, got QR Code Scanner » "Mobile Data" » "Allow Background Data Usage".
Go back to "Settings" » "Connections" » "Mobile Network" » "Network Mode".
Now, put your network on 4G e.g. LTE/3G/2G (auto connect)
Relaunch QR Code Scanner on android.

Solve QR Code Scanner black/white screens issue on Android:

Follow the QR Code Scanner android app crash troubleshooting guide Here →

Contact Support

Some issues cannot be easily resolved through online tutorials or self help. So we made it easy to get in contact with the support team at Sabrina Holzer, developers of QR Code Scanner.

About this app

Just open QRCodeScanner , center the QR Code in the camera view and get the result. This QR Code Reader is very fast and uses iOS 7 and iOS 8 technology. This is a fast starting and easy to use QR Code Scanner. URLs will be shown and opened in the Safari browser if you like. The QR Code Reader has also an integrated flashlight to scan QRCodes in dark environments.