Can I update my delivery information? Admin May 04, 2020 01:51 Updated Follow You may do so via gridPortal. Related articles Can I authorize someone to receive the SIM card on my behalf? How do I reschedule my SIM card delivery? What is required of me when the SIM is delivered to me? What are the delivery slots timing available? When can I terminate my line? Comments 0 comments Please sign in to leave a comment.