Name the certificate when prompted to finish the installation. For Samsung Galaxy Devices (One UI) Open and select Security and privacy . Scroll to the bottom and tap Other security settings . Tap Credential storage . Select Install from device storage . Choose Wi-Fi certificate . Select your downloaded file from the file manager. Name the certificate and save it. Step 4: Connect to the Secure Wi-Fi Network
This error usually means the file format is incorrect. Android prefers .crt or .cer files binary-encoded. If your file is a .pem text file, change the file extension to .crt using a file manager app and try installing it again. "Domain is required" download wifi certificate for android