How to Scan a QR Code on Your Smartphone (Android & iPhone)
December 18, 2025
05
Quick Guide for iOS and Android Users
QR codes are everywhere today — on posters, restaurant menus, business cards, tickets, and even TV screens. With a smartphone, you usually don't need any extra app to scan them. In this guide, we'll show you how to scan QR codes on Android and iPhone, what to do if it doesn't work, and useful tips to stay safe.
What Is a QR Code?
A QR code (Quick Response code) is a two-dimensional barcode that can store information such as:
- Website links
- Contact details
- Wi-Fi login data
- Payment information
- Event tickets or vouchers
When scanned with a smartphone camera, the information is displayed instantly.
How to Scan a QR Code on an iPhone
Most iPhones can scan QR codes directly with the Camera app.
Step-by-step:
- Open the Camera app
- Point the camera at the QR code
- Keep the code centered and steady
- A notification banner appears at the top
- Tap the banner to open the content
If it doesn't work:
- Go to Settings → Camera
- Enable Scan QR Codes
- Make sure your iPhone is updated to a recent iOS version
💡 Tip: QR scanning works on iPhones starting from iOS 11.
How to Scan a QR Code on Android
Most modern Android smartphones also support QR scanning without extra apps.
Option 1: Camera App
- Open the Camera
- Point it at the QR code
- Tap the link or pop-up that appears
Option 2: Google Lens
- Open the Google app or Google Lens
- Tap the camera icon
- Scan the QR code
- Open the detected link or information
If it doesn't work:
- Check camera settings for QR code scanning
- Try Google Lens if your camera doesn't support it
- Update Android and Google services
Scanning QR Codes from Images or Screenshots
You can also scan QR codes that are already saved on your phone.
On iPhone:
- Open the image in Photos
- Long-press the QR code
- Tap the detected link
On Android:
- Open the image in Google Photos
- Tap the Lens icon
- Open the detected content
When Do You Need a QR Code App?
Usually, you don't need an extra app. However, QR scanner apps can be useful if you want:
- Scan history
- Offline scans
- Advanced data preview
- Batch scanning
Be careful: many QR apps show ads or request unnecessary permissions.
QR Code Safety Tips ⚠️
QR codes can link to malicious websites, just like normal links.
Stay safe by following these tips:
- Don't scan QR codes from unknown or suspicious sources
- Check the URL before opening it
- Avoid entering passwords or payment data unless the site is trusted
- Be cautious with QR codes on stickers placed over original codes
Common Problems and Solutions
QR code not recognized?
- Improve lighting
- Clean your camera lens
- Increase distance slightly
- Make sure the code isn't damaged
Nothing happens?
- Try Google Lens or another scanner
- Restart your phone
- Update your operating system
Conclusion
Scanning QR codes with your smartphone is fast and easy — usually without installing any extra apps. Whether you're using an iPhone or Android, your camera or Google Lens is often enough. Just remember to stay cautious and only open trusted links.
