Simple cleaning, UMD startup confirmed. Shipping via Yu-packet Post Mini. I strive for a smooth transaction until the end. Occasionally, there are people who request returns due to screen yellowing, loud reading sounds, or discrepancies with the product description, so please make sure to check the images carefully. Also, prices fluctuate depending on the condition of the item. We do not accept returns to prevent product substitution, so please only purchase if you understand and agree to this.