1. Return the goods. Replacement: If the product you purchased has quality problems or does not meet your expectations, you can apply for a return within a certain period of time after purchase (usually 7-15 days). When returning the product, you need to ensure that the product is intact, complete accessories, and provide proof of purchase.

2. Repair: If the product you purchased has quality problems, you can apply for repair during the warranty period. Proof of purchase and proof of warranty are required for repairs.