If the iOS 15 update gets stuck or takes too long to download, even if you have a stable internet connection, then Apple’s servers could be at fault. Since the download size of iOS 15 is huge (around 5GB to 6GB, depending on your iOS 15 compatible iPhone model), a stable internet connection helps ease the download and installation process. What should you do in this situation? Well, you first need to make sure you have a stable internet connection. The mobile OS seems to be stuck during installation. Now, you decided to go ahead and install the iOS 15 beta build on your iPhone, but it is taking forever to download. Why is iOS 15 Taking So Long to Download? Add to that 5 to 10 minutes of setup time, and you will be able to complete the iOS 15 update process in around 20 to 45 minutes. And it usually gets installed in another 10 to 20 minutes. If you have a stable internet connection with fast download speeds, it should only take around 5 to 15 minutes to download the latest version of iOS. As to how much time iOS 15 takes to download and install, it entirely depends on the internet connection speed.

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