Is the credit union SMS reminder service fee free?

Charge for SMS reminder service of rural credit cooperatives, 2 yuan/month, 24 yuan for one year. The opening method is as follows:

1, you can sign a mobile messenger through the counter of the business outlet;

2. You can sign the mobile messenger manually by calling the telephone bank of the credit union;

3. Bank managers can be authorized to register the mobile messenger service through batch registration;