I haven’t received my order yet, can I change my delivery address? 11 October 2022 16:24 Updated No, once your order is completed the delivery address cannot be modified. Related articles GRIIIx manual download page. My order is showing as shipped more than one week ago, and I haven’t received anything. What should I do? I haven’t received my order yet, can I change my delivery date? I received my order after the estimated date, what can I do? GRIII manual download page.