iOS 8 - This update cannot be installed because it requires at least 4.7GB of storage
You want to install iOS8 on your iPad or iPhone (Settings > General > Software update), but the following message is displayed:
- This update cannot be installed because it requires at least 4.7GB of storage.
You can make more storage available by deleting items in Usage Settings.
This problem only occurs when upgrading to iOS8 directly from your device. You can try to perform the update via iTunes:
- Connect your device to your PC using the provided USB cable.
- Launch iTunes > select your device > tap on Check for Updates.
- Download and install the update.