How many iPhone and iPad units are running iOS 7 and 8? A report shared by Apple [the company upgraded information on its dev support page] outlines the new iOS 8 adoption rates which you can compare to data unveiled in February. As of the beginning of March 2015, iOS 8 download [you can fix error 3194 in iTunes if it appears during update] is still popular among iDevice owners. The adoption rate was 72 percent a month ago and it has now reached 75 percent. The changes are noticed with the previous firmware version as well. About 25 percent of all active ‘fruit’ gadgets were running iOS 7 in February, and this number has decreased down to 22 percent by now. Such data is based only on devices that access the App Store. A percent of users is still running older versions of operating system. Those who have iPhone 4S and newer models and iPad 2 and newer tablets sooner or later take a decision to update to iOS 8 versions. There are different reasons that make people use older firmwares. Some users just can’t upgrade because their smartphone doesn’t support the new version. Some people are ok with their old OS and they don’t want to lose their applications and games. Fans of jailbreaking have found ways to untether versions up to iOS 8.1.3 and iOS 8.2 beta 1 and 2 [when it was still possible to do so, before Apple stopped signing those releases]. The company is expected to release iOS 8.2 in March. The next iOS 8.3 is believed to follow in April while the future iOS 9 is to be preseted in June for further beta testing during summer months and official releasing sometime in the fall of 2015.