Huawei dual systems cannot receive messages at the same time.

First, you can check whether the mailbox is full first. If it is full, please delete some information.

Second, you still can't get it after deleting it. You can change the machine or card to see if it is a hardware factor;

Third, after eliminating the above reasons, we can try to see if it can be received in other places to see if it is the reason for the weak local signal.