Please login to acko.com. On your Policy Card, please click on 'View Details'. On clicking the view details, you will be redirected to the policy details page where you will see an 'Edit Policy' button. Once, you click on the edit policy button, a new pop-up will open with all the possible types of changes you can make in the policy. Edit the phone number and update the new number. You will need to verify it. Post verification, the new policy copy with the updated details will be generated. The policy will be tagged to the new phone number.