Guangxi Beihai Unicom 1557 8790506 can only receive short messages, but not send them.

According to your situation, it is not ruled out that there is a problem with the number setting of the SMS center, which makes it impossible to send. Users can set the number of the short message center before trying to send a short message. If it still can't be sent, there may be something wrong with the mobile phone card. It is recommended to change the card in the business hall.

The short message center number of Guangxi Unicom number is+8613010591500. After selecting the "SMS" menu of the mobile phone, enter the SMS center number in the "SMS center number" column, and press the OK key. This number will be stored in your card, and you can use SMS and various services directly without resetting in the future.

The number of SMS centers varies from place to place. You can contact manual customer service or go to the local business hall for consultation.

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