Does my Billion Connect eSIM support top-up?

It depends on the product you purchased:

• Standard eSIM: No. Standard eSIMs are designed specifically for single or short-term trips and currently do not support top-ups. Once your data is used up or the plan expires, it cannot be recharged or extended. If you need additional data for your trip, simply purchase a new eSIM plan.
• eSIM Air: Yes. eSIM Air is designed for long-term use across multiple trips. Install it once, and you can easily top up anytime you need more data—no reinstallation required.