100% Do not worry about the quality, we will test all the functions of the phone before delivery, to ensure that everything is normal before delivery. Delivery within 24 hours after order confirmation, about 7 working days for local warehouse, about 7-15 working days for China warehouse. 100% don\'t worry about customs issues. We provide customs clearance services and pay customs duties (we will contact you in special cases) About color difference: Our products are shot in natural light, please understand the color difference..syi