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What is the reason why the caller ID of Huawei Glory 8 Youth Edition is unknown?
Scenario 1: Caller ID service is not enabled on the mobile phone.

Solution:

Please contact the operator's customer service to open the caller ID service.

Scenario 2: Caller ID service has been opened on the mobile phone.

Reason:

The other party uses third-party software to make a phone call.

The other party's mobile phone is set to an invisible number.

Suggestion: It is not caused by the malfunction of the mobile phone. Please feel free to use it.

Company name: Huawei Technologies Co., Ltd.

Headquarters: Huawei Base in Bantian, Longgang District, Shenzhen, Guangdong, China.

Business scope: radio, microelectronics, communication, routing, switching, etc.

Company slogan: integrity competition

Chinese name: Huawei mobile phone

Mbth: Huawei Technologies Co., Ltd.

Established: 1987

Nature of the company: private enterprise?