There will be no prompt when the traffic volume is exceeded. When should directional traffic be used?

1. According to the information you provided, the SMS reminder function for mobile Internet traffic is currently free. For specific details, it is recommended to contact China Unicom customer service in your home country. 4G users activate the traffic reminder function by default. If 2/3G users need to activate it, they can follow the following methods:

1. Activate 3G traffic SMS reminder: Send the SMS command KTTX to 10010 to activate mobile Internet access Traffic reminder service on a weekly basis.

2. Activate 2G traffic SMS reminder: Send SMS 5201 or 2GKTTX to 10010 to activate the traffic SMS reminder service. The default is weekly reminder. Starting from 9:00 am every Monday, the system will automatically send traffic reminder SMS. , you will receive a text message prompt after successful activation.

2. Targeted traffic can only be used within designated APPs or scenarios. In other cases, the traffic used will be charged according to your package traffic tariff standard.