canon advance 6575/8505 firmware kaise update karte hai aur ye kha milta hai. #err602 #harddisk

hello dosto aj ke video me maine meri ek machine 6575 me hardisk ki problam a rhi thi to maine machine me firmware update Kiya aur machine chal padi ..to agar apko bhi firmware ki need hai ya apki machine me err code 602 a rha hai to ap bhi hamse firmware le sakte hai.. contact number -9140339299 location -lucknow