Evidence Collection of Spam SMS Charge

There are two ways. One way is to go to Shouning Road Mobile Billing Center and ask them to list the short messages of a certain month in detail. Or go to the mobile business hall to argue with them and record. Don't worry, there is a rule in mobile customer service that you can't contradict customers, so you can boldly ask them about your situation and don't reveal your real purpose to them before asking.