OPPOR9splus is a dual card dual standby single pass? So one card makes a phone call and the other card can't answer the phone, so can you receive the text message?

r9s？ Plus is dual card, dual standby and single call. At present, there are few dual-talking mobile phones. Single call, whether it is a phone call or a text message, is a single call and cannot be carried out at the same time.

Can receive information, but not Unicom card?

(1) Confirm that the account status is normal.

(2) Confirm that the cell phone signal is good.

(3) Set the correct SMS center number.

(4) Clear useless short messages and release storage space.

(5) Remove the interception of the specified number by the mobile phone security software.

(6) Confirm that the message of the other party is normal, or contact the other party by other means.

(7) Confirm that the mobile phone terminal and the mobile phone card are normal, and do the machine change and card change test.