How do I check my mobile data usage? Isobella July 21, 2021 12:46 Updated Follow Need to check how much data you have used? Simply get in touch with our friendly team, and we will be able to assist or check online via our customer portal. Related articles Register for online account access How much mobile data do I need? Mobile Broadband Data Usage Guide I am experiencing issues with mobile data and cannot access the internet Where do I find my account number? Comments 0 comments Article is closed for comments.