Can I change my card details which I have previously input in my account? Admin May 04, 2020 01:57 Updated Follow Definitely, you may login to your gridPortal to change your card details. Related articles What are the things to note on my first bill? How can I proceed to make payment? Why am I charged for Global SMS unknowingly? How do I change the email address to which I receive my bill? What is my billing cycle? Comments 0 comments Please sign in to leave a comment.