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.
Pyometra may occur in young to middle-aged dogs; however, it is most common in older dogs. After many years of oestrus cycles, the uterine wall undergoes the changes that promote this disease. The typical time for pyometra to occur is about two to eight weeks after oestrus (heat cycle).