Use Suiscan to quickly stake the SUI in your Utila wallet.
To stake SUI, follow these steps.
Go to the SUIscan Explorer https://suiscan.xyz.
Connect your wallet - click Connect and then select Utila.
The Utila extension is displayed. Select the vault, wallet, and SUI as the blockchain.
Select a validator. Scroll to the bottom of the Suiscan Explorer page and click Validators, or in the top bar click Blockchain > Validators.
Select the validator you want to delegate your SUI to, then click Stake (on the right).
Enter the staking details. In the Stake SUI dialog, enter the amount of SUI you want to stake. Click Next, then Stake.
Confirm the transaction. The Utila Extension opens automatically.
Click Create, then approve and sign the transaction in the Utila mobile app.
Your SUI has been successfully staked!