My mobile data ran out and he didn’t send me a text message. As a result, my phone bill was all gone.

It’s not a problem to download a software to monitor traffic. I use QQ Mobile Manager to monitor traffic.

If you want to complain, you can also try to do it. It is hard to say whether it will have any effect. Generally, operators do not provide real-time traffic notification SMS services. By default, you can use as much as you like. The more you use, the more you use it. The happier he is, he won't take the initiative to remind you.

Then you can only manage your own wallet. It is unreliable to expect the operator, because he is chasing profits, and your request will reduce his profits and is not in line with his requirements. Basic principles.

Set the monthly traffic limit in the traffic monitoring software. After 90% of the traffic is used, an alarm will be alarmed. After 100% of the traffic is used, the network connection will be automatically disconnected. You can also check the traffic used by various software. If there is If unnecessary software uses too much traffic, find a way to delete it