7 hours ago
7 hours ago - last edited 7 hours ago
When was it working ok for you last?
Are your APN settings configured correctly?
Are calls and texts working ok?
What exactly do you mean by "top up"?
What exactly did you buy?
Membership plan, cash credit, add-on?
What does your Transactions page say about your recent payment?
If you need to contact 48 support about this then see the links in my signature below.