How do I know how to charge for SMS? Some have a dime, some have a piece, and some have a dime. As a result, it was built for a month and deducted a lot every month. How do you know about hair?

SMS charges are generally set by sp operators themselves. Generally, there will be tips when customizing, but short messages such as SMS voting, quiz, fortune telling, etc. It's all one yuan, movies, online dating, etc. Generally, it is a monthly subscription, and only the information sent to the mobile phone number is a dime. Now sp operators are constantly trapped. Therefore, if there is no 13, 15, try not to reply.