International roaming has been started, but verification messages cannot be received.

If you have enabled the international roaming function, but you can't receive SMS during international roaming, there may be the following reasons:

1 Some countries or regions have different network standards and frequency bands, so it is necessary to replace appropriate mobile terminals to use the international roaming function;

The mobile phone is set to automatically select the network, and no operator can be found to cooperate with China Unicom. You can manually select a network by changing the setting to Manual Network Selection.

If the above situation has not been solved, I suggest you click to log in to Unicom's online business hall/rgjetzu;

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