Simple cleaning, UMD startup confirmed. Shipping via Yu-packet Post Mini. I strive for a smooth transaction until completion. Occasionally, there are individuals who request a return due to issues such as screen yellowing, loud reading noises, or discrepancies from the product description. Please carefully review the images provided. Additionally, prices fluctuate based on the product's condition. To prevent product substitution, we do not accept returns. Please only proceed if you understand and agree to this policy.