Can I get help from a local carrier store in China?
No. Local carrier stores in China are not familiar with our SIM cards and Wi-Fi routers and do not provide service. If you have any
Help Center » FAQs
No. Local carrier stores in China are not familiar with our SIM cards and Wi-Fi routers and do not provide service. If you have any
Adding data to your SIM card and mobile Wi-Fi on GreatWallSIM is simple.
The data plan starts at 00:00 on the day of activation. For example, if you activate a 30-day data plan on June 8th, the plan
Please contact us with your order number and we will send you an invoice.
We take every measure to ensure the security and privacy of your information. Your order details and personal data are encrypted and securely stored. GreatWallSIM