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.
How does self-regulation develop? Sensitive and comforting care from warm, supportive and trusted adults helps children develop self-regulation. Just like newborn babies need help regulating basic needs like body temperature, heart rate and sleeping, they also need help regulating their emotions.