If you do not understand or are not satisfied after reading to the end, please refrain from purchasing. There are no usage restrictions. Everything in the photos is included. Regarding used items: Basic operations such as startup, charging, camera, power button, volume buttons, radio waves, LCD, and touch panel have been confirmed to be working, and there is no screen burn-in. The perception of the product's condition varies from person to person, so the evaluation is based on my subjective opinion. Please also check the photos. If there is a discrepancy between the description and the photos, the information in the photos takes precedence. Exterior Evaluation: A S = Near-new, beautiful condition. A = Lightly used. Minor scratches, but clean. B = Shows signs of use. Fine scratches on the LCD, scratches, dirt, and paint peeling on the corners of the exterior. C = Severe scratches, dirt, and paint peeling. Junk = Screen cracked, unable to start, etc. I cannot answer questions regarding the period of use. If you do not specify a shipping method before shipping, I will use either Rakuraku Mercari or Yu-Yu Mercari. If you have any questions, I will answer them. Please purchase after you are satisfied. Series: Xiaomi Model Name: Redmi 12 5G Smartphone Color: Sky Blue Capacity: 128GB Functional Defects: None