How long does it take for Unicom's card to be activated before it can be used?

After receiving the Unicom mobile phone card, pay attention to the official account of China Unicom Micro Hall WeChat, click the menu bar > Offer Activation > Card Activation, and activate according to the page prompts, and the system will automatically review the materials you uploaded. After the approval, your calling card will be activated automatically and a short message will be sent to the contact number reserved when you place an order. If you are prompted that the approval failed or failed, you can choose "Re-upload Data" or "Manual Approval" according to the prompt. After successful activation, it can be used, and the monthly fee is implemented according to the requirements of the selected package.