Step 1. Go to Cronos ID homepage and click “Vault”.
Step 2. Click on “My Earnings” to check your deposit summary and status.
Step 3. Choose the desired vault to upgrade. You may upgrade both ongoing vault and vaults that have already ended. Click “Upgrade” to proceed.
Step 4. Select the desired locking period you wish to upgrade to. Click “Review Upgrade” to proceed.
Step 5. Review the transaction details and click “Upgrade and Claim” to proceed.
Step 6. Wait for the transaction to be processed.
Step 7. You have successfully upgraded the vault.