Attach QR signer account
Step 1: Open SubWallet and click on the account name to get to the add account section. Then click Add/connect account or the [+] button.
Step 2: Choose Attach QR signer account.
Step 3: Scan the QR code from your QR signer wallet such as Keystone, Parity Signer, Stylo...
Step 4: Click Attach account.
Your QR signer account would be ready!