Why is there no call reminder after shutdown?

Cannot receive the missed message of the call reminder, which may be due to the following reasons:

Whether the call reminder function of 1 has been successfully opened;

2. The mobile phone is turned off or there is no information number for more than 48 hours, and no short message can be received;

3. Set the call forwarding function to other numbers or cancel the call forwarding function;

4 Whether the mobile phone is equipped with Unicom's letter shielding function, if it has been shielded, it needs to be restored before it can be used;

5. Check whether the SMS interception function is set in the mobile phone security software. It is recommended to turn it off and see if you can receive it.

If it still doesn't work properly, it is recommended to call the local customer service hotline 100 10 for handling.

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