Why did my package upgrade from 2G to 4G but no message was sent?

If you do not receive a notification text message from our company after upgrading to a 4G package through self-service channels, it cannot be ruled out that the delivery is delayed because the system is busy. It is recommended that you pay attention to subsequent text messages. If the package change has been processed, it is recommended to contact manual customer service or go to the business hall to find out whether the process has been successful.

If this is not the case above, it is recommended to contact China Unicom customer service in the place where the number belongs to find out.

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