Starting with Android 10, phones running Google’s mobile operating system can share Wi-Fi passwords between handsets using a QR code. All the recipient needs to do is open the default camera app on their iPhone or Android device to scan the code and instantly connect to the Wi-Fi network.
When you are ready to grant access to your Wi-Fi network, access the Settings menu on your handset. The easiest way to do this is to swipe your finger from the top of the device screen to display the Quick Settings menu. From there, tap the Gear icon to open the Settings menu.
Since each Android smartphone is slightly different, you may need to swipe down a second time to locate the Gear icon.
You can also slide your finger from the bottom edge of your phone to access the app drawer. Here you can locate and open the “Settings” application.
Then select “Connections”, “Network and Internet” or a similar option. Again, this menu name may differ depending on the manufacture of your Android handset.
Now tap the “Wi-Fi” list at the top of the menu.
Make sure you are connected to the Wi-Fi network that you want to share with other people, then select the network name (SSID) or the corresponding Gear icon.
You are now in the Advanced Settings menu for the given network. Press the “QR Code” or “Share” button. No matter what your smartphone calls the button, it should be represented by a QR code icon.
Note: Some OEMs may ask you to enter your lock screen password / PIN / model / biometrics before displaying a code.
Your Android handset will now generate and display a QR code. Ask your guests to open the default camera app on their Android smartphone or iPhone and scan the code. A message may appear asking them if they want to connect to the Wi-Fi network.
Devices running Android 10 and later also have an option in the phone’s Wi-Fi Settings menu to scan a QR code.
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