WhatsApp has transformed how we connect with loved ones, friends and colleagues. WhatsApp Web enabled users to use it on their laptops or PC. And guess what, you may use your WhatsApp account on up to four devices with WhatsApp Linked Devices compatibility, all without having to keep your primary phone connected. The connected devices are compatible with online, mobile, and desktop versions of WhatsApp.
You must be using the mobile app to scan a QR code that appears on the desktop or web client in order to pair WhatsApp on your phone with the desktop or web client. A “No Valid QR Code Detected” error message may occasionally appear on the mobile app when you scan the Whatsapp Web QR code.
Why do we See “No Valid QR Code Detected” Errror in WhatsApp?
The ‘No Valid QR Code Detected’ issue that appears while scanning a WhatsApp QR code has no particular cause. The code you are scanning might be expired, or you might be scanning it in the wrong way.
A problem with the browser’s cache file or corrupted WhatsApp cache files on a mobile device can also cause the No Valid QR Code Detected error.
Regardless of the cause, the “No Valid QR Code Detected” error can be readily resolved by using standard troubleshooting techniques.
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You can simply fix WhatsApp’s “No Valid QR Code Detected” error by using the easy steps we’ve listed below. This is how to resolve the WhatsApp problem.
How to Fix No Valid QR Code Detected WhatsApp Error
- Verify that the devices are linked correctly.
Make sure you are not using the camera icon to link your device to WhatsApp. If you have been doing this, you will get the error message, ‘No Valid QR Code Detected’
You need to use the ‘Linked Devices’ option under Settings to scan the QR codes displayed on the computer screen. Here’s what you need to do.
- Open the WhatsApp app on your Android or iPhone. After that, click on the Settings icon at the bottom right corner.
- On the Settings screen, click on the Linked Devices.
- On the Linked Devices screen, click the Link a Device button.
- This will open the WhatsApp camera. Now, you have to scan the QR code displayed on another device to link a device.
2.Make sure the official WhatsApp QR code is being scanned.
WhatsApp is not a QR code reader app. Some people might be using the WhatsApp Camera to scan the QR Code and getting the error No Valid QR Code Detected. You need to scan the QR Code created by your Whatsapp account in order to link your devices to WhatsApp.
WhatsApp only allows scanning the QR codes generated on its app or web version. So, make sure you are scanning the correct QR Code.
If you want to Scan other QR Codes, use the QR Code scanner apps for Android or iPhone.
- Internet Connection should be checked
Another valid reason the user gets ‘No Valid QR Code Detected’ error while scanning WhatsApp QR code from mobile is an unstable internet connection.
WhatsApp needs an active internet connection to read the QR code and load the chats on the other device. Without the internet, the process will fail, causing errors.
So, before you try the next methods, ensure you have an active internet connection. You can visit the fast.com website to check your internet speed & stability.
- WhatsApp App should be updated
Using an old version of WhatsApp on your iPhone or Android will result in more bugs and problems.
You may quickly resolve the issue of “No Valid QR Code Detected” caused by an outdated WhatsApp app by updating it.
Updates to Android and iPhone apps are simple. Go to the Google Play Store on your Android device and look up WhatsApp. Next, touch the Update button after selecting WhatsApp from the list.
Tap the profile symbol in the App Store if you have an iPhone. Scroll down to view all of the available updates on the following screen. To upgrade WhatsApp to the most recent version, touch the update button if it shows up next to the app.
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- To Clear the WhatsApp Cache File
You must delete the cache file in the WhatsApp app if you see the message “No Valid QR Code Detected” when attempting to scan a desktop QR code from an Android device. Here are simple instructions for clearing the cache files in your WhatsApp app.
- In order to delete the WhatsApp app cache, you need to long press the WhatsApp App icon on your smartphone and then choose App Info out of the options shown.
- On the WhatsApp App Info, click on Storage Usage.
- On the next screen, click on the Clear Cache.
- To Clear the Desktop Browser’s Cache
The desktop browser’s cache files need to be cleared, much like the mobile app. Here’s how to empty the cache in Chrome, your desktop web browser.
- Open the Chrome browser and tap on the three dots at the top right corner.
- On the Chrome menu, tap on Clear browsing data.
- Select All Time on the Time Range. After that, check the Cookies and other site data, and Cache images and files. Once selected, tap on the Clear Data button.
Once the cache is cleared you can now connect your devices with Whatsapp by scanning the QR code shown on the device to be connected.
- Link with your Phone Number
If you’re still getting the same error while scanning the QR code, you can try to log into WhatsApp Web with your phone number.
Open WhatsApp Web and click on the link to login with your phone number. Just add your phone number to login using your mobile number.
- Try using a Different Web Browser
It is likely that your browser is the cause of the “No Valid QR Code Detected” error that you continue to receive while scanning the QR code from the mobile app.
You can use a different web browser to see if your current one is the problem. If you’re using Chrome, try scanning your code again with the Edge or Opera browsers.
If everything goes smoothly, you can try using the browser that works best with WhatsApp or reinstalling Chrome.
Here are a few easy solutions to fix WhatsApp’s “No Valid QR Code Detected” problem. If you require additional assistance with this specific issue on your Android smartphone, please let us know. Additionally, if using these techniques resolved the problem, let your friends know. Stay tuned to TechAdvises for more such WhatsApp tutorials, guides and FAQs.