How do I change the email address to which I receive my bill? Admin June 27, 2019 03:31 Updated Follow You may do so via gridPortal. Related articles Can I change my card details which I have previously input in my account? How can I proceed to make payment? When will I receive my monthly bill from Grid Mobile? What will happen to my free Buddy SIM after 12 months? What are the documents Grid Mobile accept upon signing up? Comments 0 comments Please sign in to leave a comment.