Subscribing to a Card Add-on

Card add-ons are only available for physical SIM cards of China Telecom, China Unicom, and China Mobile.

The objects must be the physical SIM cards that are in use or suspended for exceeding data usage limit.
For a SIM card using general data, the total data of the basic plan and add-on cannot exceed 100 MB.
You can only perform batch subscription of add-ons for cards of the same order.
Card add-ons are not available for pooled cards. If necessary, subscribe to pool add-ons.

Select the container IDs of the target SIM cards.
Select a subscription mode (subscribe for a single card or in batches).
Select the add-on specifications and complete the payment.
After the payment, the subscription is expected to be completed within 5 minutes.

Select a subscription mode (manual or batch template–based).
- Manual subscription
  Log in to the GSL console and choose SIM Cards > Card List in the navigation pane. Select one or several SIM cards, click Subscribe to Add-on above the list, and wait for the system verification. You can only perform batch subscription of add-ons for cards of the same order.
- Batch template–based subscription
  Log in to the GSL console and choose SIM Cards > Card List in the navigation pane. Click Batch > Batch Add-on Subscription above the list. Download the template file, edit and upload it as required, and click OK.
The page for purchasing an add-on is displayed only after the verification succeeds. Select the specifications of the add-on and click Buy Now.
Confirm the order details, select I have read and agree to the Global SIM Link Disclaimer, and click Pay Now.
Select a payment method and click Go to Online Payment.
After the order is generated, view the order details.
After the payment, the system automatically reviews the order, which takes about 5 minutes. The add-on takes effect immediately after the subscription is successful. Choose Orders and Renewal in the navigation pane, and click the batch number of the target order to go to its details page and check its progress. Wait until the order status changes from Processing to Completed.