How to pay for Unicom esim card?
Take the esim No.1 dual terminal as an example. When the main account is in arrears, the No.1 dual terminal accessory (attached) card cannot be used, and can only be used after the main card is recharged. Log in to the mobile phone business hall APP of China Unicom, and click "Services > Payment and Recharge > Select the corresponding recharge amount" to recharge.