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Why can't Huawei turn off the short message by phone?

According to the experience of querying Baidu, we know that the call rejection SMS function in Huawei mobile phones cannot be turned off for the following reasons:

1. System setup problem: The function of rejecting incoming calls and short messages is an inherent function of Huawei's mobile phone system. If the user does not find a way to turn off this function, it will be in the initial state.

2. Software compatibility: If Huawei's mobile phone conflicts with other software, the software may not be able to turn off the call rejection SMS function normally. At this point, users need to enter the "Settings" menu, find and click the "Application Management" option, and then check whether there are any applications related to this function, and uninstall or update them.

3. Hardware failure: If Huawei's mobile phone has hardware failure, such as memory damage, it may not be able to turn off the function normally. At this point, the user needs to send the mobile phone to the after-sales service point for testing and maintenance.