QR Code Scanning Guides
Every phone and computer scans QR codes a little differently. These guides show exactly where the scanner lives on your device, how to use it step by step, and how to fix the most common scanning failures — from low light and glare to damaged codes and curved surfaces.
Scan QR codes on your device
- How to Scan QR Codes on iPhone (Recent iOS)Scan QR codes on a recent iPhone using the built-in Camera app. Step-by-step instructions, where the scanner lives, and fixes for common scanning failures.
- How to Scan QR Codes on an Older iPhoneScan QR codes on older iPhones with the Camera app, Control Center Code Scanner, or a free app. Step-by-step paths and fixes for missing scanner features.
- How to Scan QR Codes on Samsung Galaxy PhonesScan QR codes on Samsung Galaxy with the Camera app or the Quick Panel QR tile. Step-by-step setup, fixes for vision-feature conflicts, and troubleshooting.
- How to Scan QR Codes on Google Pixel PhonesScan QR codes on Google Pixel with the Camera app, Google Lens, or the Quick Settings tile. Step-by-step instructions and fixes for common failures.
- How to Scan QR Codes on Xiaomi and Redmi PhonesScan QR codes on Xiaomi and Redmi phones with the Camera app or the built-in Scanner app. Step-by-step paths and fixes for common MIUI/HyperOS issues.
- How to Scan QR Codes on Oppo Phones (ColorOS)Scan QR codes on Oppo phones with the Camera app or Google Lens. Step-by-step scanning paths, ColorOS settings, and fixes for missing scanner features.
- How to Scan QR Codes on Vivo PhonesScan QR codes on Vivo phones with the Camera app or Google Lens. Step-by-step instructions, Funtouch OS and OriginOS settings, and common failure fixes.
- How to Scan QR Codes on OnePlus Phones (OxygenOS)Scan QR codes on OnePlus phones with the Camera app result pill or Google Lens. Step-by-step instructions, focus fixes, and screen-scanning tips.
- How to Scan QR Codes on Motorola PhonesScan QR codes on Motorola phones with the Camera app or Google Lens. Step-by-step instructions, Moto gesture tips, and fixes for common scanning issues.
- How to Scan QR Codes on Huawei Phones (HarmonyOS / EMUI)Scan QR codes on Huawei phones with the Camera app or the Control Center Scan tile. Step-by-step instructions and workarounds without Google services.
- How to Scan QR Codes on Realme Phones (Realme UI)Scan QR codes on Realme phones with the Camera app or Google Lens. Step-by-step instructions, Realme UI settings, and fixes for common scanning problems.
- How to Scan QR Codes on Honor Phones (MagicOS)Scan QR codes on Honor phones with the Camera app or the Control Center Scan shortcut. Step-by-step instructions and fixes for common MagicOS issues.
- How to Scan QR Codes on Nokia PhonesScan QR codes on Nokia (HMD) phones with the Camera app or Google Lens. Step-by-step instructions and tips for older and entry-level Nokia models.
- How to Scan QR Codes on iPadScan QR codes on iPad with the built-in Camera app. Step-by-step instructions, focus-distance tips, and fixes for common iPad scanning issues.
- How to Scan QR Codes on Android TabletsScan QR codes on Android tablets with the Camera app or Google Lens. Step-by-step instructions, photo-decode tricks, and fixes for weak tablet cameras.
- How to Scan QR Codes on Amazon Fire TabletsScan QR codes on Amazon Fire tablets with an Appstore scanner app or a web-based scanner. Step-by-step setup and Fire OS workarounds.
- How to Scan QR Codes on Windows PCScan QR codes on Windows with the Camera app or a web-based scanner using your webcam. Step-by-step instructions and webcam troubleshooting.
- How to Scan QR Codes on Mac (macOS)Scan QR codes on Mac with your iPhone, or a web-based scanner using the Mac camera. Step-by-step workflows and macOS camera troubleshooting.
- How to Scan QR Codes on Chromebook (ChromeOS)Scan QR codes on Chromebook with the Camera app Scan mode or a web-based scanner in Chrome. Step-by-step instructions and managed-device workarounds.
- How to Scan QR Codes on LinuxScan QR codes on Linux with a web-based scanner in Firefox or Chrome, or a native decoder app. Step-by-step instructions and webcam troubleshooting.
- How to Scan QR Codes Displayed on Screens (Phone, Monitor, TV)Scan QR codes shown on phones, monitors, and TVs. Brightness, distance, and anti-moiré tricks for fast screen-to-screen QR scanning on any device.
Fix scanning problems
- How to Scan QR Codes in Low Light or DarknessQR code will not scan in the dark? Turn on the flashlight, fix hotspots and focus hunting with these proven low-light scanning techniques for any phone.
- How to Scan Damaged, Faded, or Worn QR CodesScratched, faded, or torn QR code will not scan? Use error correction to your advantage with these cleaning, lighting, and decoder tricks for damaged codes.
- How to Scan QR Codes on Curved Surfaces (Bottles, Cans)QR code on a bottle or can will not scan? Fix curvature distortion with centering, distance, and reflection control — techniques that work on any phone.
- How to Scan QR Codes from Far Away (Billboards, Signs)QR code too far to scan? Use optical zoom, brace for stability, and know the limits of digital zoom with these long-distance scanning techniques.
- How to Scan QR Codes with Glare or ReflectionsGlare blocking your QR scan? Tilt, shade, or change the light angle to move reflections off the code — practical fixes for glossy prints and screens.
- How to Fix Blurry QR Code ScansQR scans always blurry? Clean the lens, lock focus, fix handshake, and respect minimum focus distance with these practical blur fixes for any phone.
- How to Scan Tiny QR Codes (Packaging, Labels)Tiny QR code will not scan? Get close, engage macro focus, maximize light, and stabilize — practical techniques for small packaging and label codes.
- How to Scan Inverted QR Codes (White on Black)White-on-black QR code will not scan? Try a decoder with inversion support, check the quiet zone, or invert the image — fixes for light-on-dark codes.
- QR Scanner Camera Permission Denied? How to Fix It (Any Device)QR scanner shows a black screen? Fix camera permission denials on any phone or browser — app settings, browser site permissions, and managed-device workarounds.