5 Steps of customer complaint solution: 1) I apologize for any inconvenience caused and understand the customer’s feelings. 2) Reason for customer complaint: Try to find an unconventional reason that can help the customer not worry about similar issues next time. 3) What are your improvement measures to prevent similar problems from happening again? When will you start importing and using them? 4) What is your solution to the current problem? Finally, I apologize for the customer complaint and offer a little compensation.