Here are the steps to complete your advanced KYC from the mobile app:
Go to your account clicking on the top right;
Select "verify my identity";
Click on "Continue account verification";
Click on the menu at the top left;
Then on Proof of Residence and Proof of Source of Funds to upload your documents;
Confirm by clicking on "Finish verification."
The verification of your documents can take up to 72 hours.