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

QR Code Reader Status

Last Updated on 2024-02-20 by XIONG TING

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Common QR Code Reader Problems & Solutions. Troubleshooting Guide

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

Table of Contents:

QR Code Reader iPhone Issues and Solutions

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

QR Code Reader Android App Issues and Solutions

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

QR Code Reader iPhone Issues and Solutions

Here are some helpful workarounds that should work whenever QR Code Reader 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 Reader app crashes or not working on Iphone (iOS):

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

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

To resolve QR Code Reader 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 Reader black/white screen (blank screen) on iPhone:

Follow the QR Code Reader iOS app troubleshooting guide Here →

QR Code Reader Android App Issues and Solutions

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

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

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

Update QR Code Reader to the latest version on PlayStore

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

Fix QR Code Reader unable to contact server/ QR Code Reader 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 Reader » "Force Stop".
Next, goto "Storage" » "Clear Data".
Again, got QR Code Reader » "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 Reader on android.

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

Follow the QR Code Reader 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 XIONG TING, developers of QR Code Reader.

About this app

In order to use QR Code Reader, your device must have a built-in camera. QR Code Reader is the fastest and most user-friendly scanner. Simply open QRCodeReader , point the camera at the code. QR Code Reader will automatically recognize QR code. It scans QR codes, barcodes and even creates PDF files. When scanning codes that redirect to websites, you will need Internet connectivity.