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How does China Telecom use SMS to inquire about traffic usage in Hunan?

You can edit the short message 1089 and send it to 1000 1 to inquire about traffic usage.

In addition, if telecom users need traffic, they can get traffic by participating in a penny-only activity organized by Baidu's Baidu wallet. This activity has a national telecommunication traffic of 30m. Although the traffic is not much, it can be bought for a penny. Activity address/? Just slide the page under invite_code=V2P6KT68 to find the telecom traffic to be purchased. The activity is a regular activity of Baidu and takes effect within 72 hours after the traffic is purchased.