How to close the service of mobile phone card opening

How to cancel all unnecessary services on the mobile card?

Step 1: Open the information bar.

Step 2: Press the sign with a fork in the lower left corner of the phone again, and the receiver will appear. Enter 10086 in the Recipient column.

Step 3: Then enter 00000 in the input information box below.

Step 4: After sending, the mobile phone will receive the receipt information and cancel all unnecessary services.