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

QR Code Reader | QR Scanner Status

Last Updated on 2020-12-04 by Vu Phan

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Common QR Code Reader | QR Scanner Problems & Solutions. Troubleshooting Guide

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

Table of Contents:

QR Code Reader | QR Scanner iPhone Issues and Solutions

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

QR Code Reader | QR Scanner Android App Issues and Solutions

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

QR Code Reader | QR Scanner iPhone Issues and Solutions

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

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

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

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

Follow the QR Code Reader | QR Scanner iOS app troubleshooting guide Here →

QR Code Reader | QR Scanner Android App Issues and Solutions

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

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

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

Update QR Code Reader | QR Scanner to the latest version on PlayStore

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

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

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

Follow the QR Code Reader | QR 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 Vu Phan, developers of QR Code Reader | QR Scanner.

About this app

Scan product barcodes with bar code reader in shops and compare prices with online prices to save money. QR & Barcode Scanner app is the only free QR code reader / barcode scanner you will ever need. Install qrcode reader app to scan QR code or to scan barcode on the go. Barcode & QR Scanner app is the only free scanner app you will ever need. Turn on the flashlight for scanning in the dark or use pinch to zoom to scan QRs far away. QR codes are everywhere!