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.
Many times, 12-24 hours before body temperature drops it will rise higher then it's been in weeks. This advanced warning gives you more time to prepare for the birth of her puppies. Any temperature recorded lower than 98.4 indicates labor should begin within 24 hours.