No Sufficient Space For Download iOS 10, How Comes?
Note: For the latest iOS 11, this guide also be conducive.
When you try to update to iOS 10 wirelessly, a message comes up reminding you that there is no sufficient space on your iPhone, iPad, or iPod touch for downloading iOS 10. How comes? Guess that's why iPhone 7 is to be released with a 256GB storage option! Actually, the iOS 10 requires 1.5 GB of free space on iOS device for update. If your iDevice is lack of enough space, try to free up the storage in these two ways: deleting content manually or deleting files in bulk.
Deleting Content Manually
Remove unused apps. Open your iOS device, tap "Settings" > "General" > "Storage &iCloud Usage" > "Manage Storage" to check the internal storage on the device. You can see how much space has been used and select any app to see how much space it uses. For those apps that you barely use, click "Delete App" to remove it. However, build-in apps on iOS, such as Music and Videos, is undeletable and you can only delete parts of their documents and data.
Reduce Media Files. There must be videos, photos, or audio files that you don't need on the device. For example, the movies that you have watched, the photos that is not well taken, the podcast files that you will never listen again. For these unnecessary files, delete them to solve the insufficient storage problem. Take videos for example. Open the Video app, find the list of videos taking up space, and then swipe a video to the left. You will find the Delete option; tap it to remove the file from your device. It is similar to delete other type of media files.
Compress Videos to Smaller Size. Video files makes up of a large part of internal space. So you can free up the space by compressing videos to smaller size. This can be done by various video compress tools, which allows you to compress videos directly on iOS devices. For example, Video Compressor, Video Shrinker. Go to App store on your device, install one video compress software, and start to compress large video files.
Deleting Files in Bulk
Media files occupy a considerable amount of storage space. Deleting unused media files can easily make space for the iOS 10 download. However, it is inconvenient to delete media file one by one on iPhone/iPad/iPod touch as it is mentioned above. You can use a powerful tool, FonePaw iOS Transfer, to delete media files in bulk.
The software displays all media files on your iOS device in one section so that you don't have to go to different apps to find the files. You can just choose the file type, find the files, and click "Delete". Moreover, it allows you to transfer iPhone/iPad/iPod touch files to Mac/PC so that you can save the files as well as free up space on your iOS device.
Step 1. Download Mac/Window version of FonePaw iOS Transfer on your computer.
Step 2.Open the FonePaw software on your computer; connect your iOS device to computer with USB cable. You will see the name of your device on the interface of the program.
Step 3. Choose "Media" on the left column, you can see different types of media files displayed on the right. Choose "Movies", for example, you can then see the list of movies on your device. Tick the movies you want to remove and click "Delete". If you would like to transfer the files to computer, click "Export to".
Just like that, you have solved the insufficient space problem on your iOS device. Now go on downloading iOS 10 on your device. If you come across more iOS 10 installation problems, check the related articles below for answer.