When the owner dies and needs to change the registration number, he must provide the original medical certificate of death of residents issued by the hospital, the household registration book to prove the relationship between the owner and the handler, the original valid identity certificate of the handler, and fill in the letter of commitment. Go to Unicom business hall to handle it. Unicom Gigabit broadband can meet the short-range wireless network coverage and realize the ultra-high-speed network access of all devices at any location in the user's residence.