You do not need to wait. Those firmware updates (like Nokia's Lumia Cyan update) and carrier updates are separate from the Windows Phone 8.1 Update 1 RTM update that is now available.
A Puppy's Life to Dog-dom. Weeks 1 and 2. These weeks are very quiet in that the puppies can not see or hear for the first 10 to 15 days, they can not regulate their own body temperature - they are totally dependent on their dam and their environment for warmth, nutrition and stimulation.
Yet as a general rule, Great Danes as a breed do not required excessive exercise. Over exercising a Great Dane is not recommended, especially with a growing puppy. Many Dane owners actually try to minimize Great Dane activity for their pup's first 18-months or so. Minimal exercise is typically enough to keep a growing puppy healthy and in shape. Over working a young dog during its rapid growth period can often have adverse affects on hip and joint development.