Click on your wallet name at the top left corner -> wallet details -> tap to show seed. Input your password and you will see your seed phrase.
Look at the left top of your wallet, you will see a wallet icon click on it, click on wallet details, you will tap to show seed. Click on it and enter your wallet password, your seed phrase will display.
Not wallet icon, but the wallet name. Yes, it is at the top left corner. He should be able to understand.
If you are using a BIP39 seed phrase, you will not be able to see the seed phrase, also on desktop.