How do I change or cancel my order? 23 October 2019 14:46 Updated If you wish to change or cancel your Glue order please email our customer support by clicking here. Related articles Is the shipping and return free? How do I connect my Glue Smart Lock to my smartphone? I am having problems installing my hub. What do I do? I can only unlock via bluetooth, what is wrong? Where do I find the Glue lock or hub serial number?