Hello, you can download Tencent mobile phone housekeeper to set up traffic monitoring, which is quite accurate.

Tencent mobile phone housekeeper's online management: always count the traffic and remind you of the over limit, so that you know the online traffic like the back of your hand;

The networking firewall function can avoid traffic loss by saying no to secret networking programs.

In order to protect the security of mobile phones, harassment interception, one-click optimization and safe slimming are carried out.

Tencent Mobile Manager not only protects the security of mobile phones, but also is the password manager of mobile phones.

I hope I can help you and adopt it. Thank you.