If you are interested in canceling the order of Unicom online business hall mall, you can log in to Unicom online business hall and enter "My Unicom" > "My Order" according to the prompt information on the page to cancel the order and apply for a refund. If you have any questions, please contact the shopping guide in the mall for consultation.
Tips: Take Jiangsu Province as an example. There may be differences in policies among provinces and cities, and the attribution policy shall prevail.