How to Share Wi-Fi Passwords with a QR Code on Android

Having guests or colleagues enter long, complex Wi-Fi security keys manually on mobile touchscreens is frustrating and prone to mistyping. In modern Android versions (Android 10 and newer), Google includes an encrypted, native QR code sharing system directly inside the network settings. This allows anyone on your network to instantly share active Wi-Fi credentials with friends, family, or visiting clients—letting them scan and connect in seconds without ever having to dictate or reveal complex passwords aloud.

How Android Native Wi-Fi QR Code Sharing Works

When you generate a Wi-Fi QR code in Android, the operating system converts the network’s SSID name, encryption type (such as WPA2, WPA3, or SAE), and network passphrase into a standard Wi-Fi configuration string. Any modern smartphone—including iPhones, iPads, and other Android devices—can point its stock camera app at the code to receive a one-tap prompt reading Join [Network Name] Network, establishing the connection automatically.

Step-by-Step: Sharing Your Current Wi-Fi Network via QR Code

To generate the QR code from your connected Android phone or tablet:

1. Open the Settings app on your Android device.
2. Tap on Network & internet (or Connections on Samsung Galaxy devices).
3. Tap on Internet (or Wi-Fi).
4. Locate your currently connected Wi-Fi network at the top of the list and tap the Gear icon beside it (on Samsung devices, tap the gear next to the active connection).
5. In the network details screen, tap the Share button (represented by a QR code matrix icon).
6. For security, Android requires you to authenticate using your fingerprint, face unlock, PIN, or pattern to confirm you have physical permission to reveal the network keys.
7. Once authenticated, a crisp, high-contrast QR code appears prominently on your screen. The plaintext password is also displayed cleanly beneath the matrix in case your guest has an older device without a barcode scanner.

How the Recipient Connects Using the QR Code

The visiting guest can join the network in one of two simple ways:

Method 1: Using the Native Camera App (iPhone or Android)

1. Open the default Camera app on the connecting phone.
2. Point the camera lens at the QR code displayed on the host’s screen.
3. A yellow or blue notification banner reading Connect to [Wi-Fi Name] or Join Network will appear on screen.
4. Tap the banner. The phone automatically connects to the wireless router without asking for a password.

Method 2: Using the Android Wi-Fi Scanner Shortcut

On Android phones, guests can also swipe down the notification shade, open Internet or Wi-Fi settings, and tap the small Scanner icon located in the upper-right corner of the network list to scan the host’s display immediately.

Security and Privacy Considerations

• Keep the Screen Shielded in Public Spaces: Because the plaintext Wi-Fi password is displayed beneath the QR code on your screen, avoid sharing your private home or office network in crowded coffee shops or public areas where observers can read it.
• Guest Networks: If you regularly host visitors in an office or home environment, configure a dedicated, isolated Guest SSID on your router before generating and printing a permanent QR code, preventing guests from accessing local networked printers or NAS drives.