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.
The best way to control the heat cycle is to have your female dog spayed at 6 months of age. There is no health reason why female dogs need to experience a first heat or ever have puppies. In fact, spaying before the first heat cycle dramatically reduces the risk of mammary cancer later in life.