How do telecom use mobile phones to check history, make phone calls and send text messages?

1, Baidu search 10000 community, the first one is. 2. The client has an Android client and an Apple client, which are downloaded and installed on the mobile phone according to personal circumstances. 3. Open the main interface of the client and log in with the mobile phone number to be queried. The interface displays the following general information. Click the bill button in the red box. 4. After opening, you can see the bill details, including this month's bill and historical bill, and you can also view the call records. 5. Click to view the details of this month. We can see the phone records at a glance. 6. Click the traffic button, and we can view the detailed traffic list. Not only can you see how much traffic is used, but you can also see what applications are used and where the network is. 7. Click the SMS button to view the SMS record display. For more service benefits, click on "official website" customer service 222 below to answer your questions.