Don't worry. Our quality control department will specifically check for quality issues before shipping the package, and will only send out the package after confirming that it is correct. If you end up receiving a damaged package, please initiate a return request from your personal center within 30 business days of receiving the package. Take note of any visible damage (scratches, dents, etc.) or operational damage (system not working) and take digital photos to prove the damage in detail as this will help us to process your order quickly for a refund.