Us version of apple XsMax mobile phone text message can't be sent out

Hello, if your Unicom card can't receive SMS or verification code, there are the following reasons:

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

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

3. After eliminating the above reasons, you can try to test whether it can be received in other places to see if it is the reason for the weak local signal.

If the above problems do not exist, it is recommended that you contact the local 100 10 manual customer service to handle this problem.