This drag-to-select feature has appeared and disappeared throughout the history of i OS.
It debuted, as far as I can determine, in the short-lived i Photo for i Pad, and has disappeared from the Photos app itself at least once.
Select General, then go to Storage & i Cloud Usage and you’ll notice that you have more space.To bulk-select anything in i OS, you hit the Select (or sometimes Edit) button found somewhere near the list of items, and then tap each of those items to toggle their selection on or off.That’s great for selecting a few items, but if you need to quickly select tens or even hundreds of images, then it’s a poor tool for the job.(Note: Before turning off My Photo Stream, you should save any photos that you’d like to keep.)The High Dynamic Range (HDR) feature of the i Phone works to balance the shadows and highlights of a photo to give you the best quality.So, there’s no reason to keep “normal,” lower quality photos along with high definition ones.Go to Settings, Safari (or another browser) and “Clear History and Website Data” to clear your cache.It may take websites a little bit longer to load on your browser, but it will free up valuable space on your phone. App updates drain your data and your battery, which is why it’s best to wait until you’re connected to Wi-Fi to do so.A simple pro-tip: Turn off the Keep Normal Photo feature and stick with HDR photos.Go to Settings, Photos & Camera and deselect Keep Normal Photo.Start at the top and work your way down, removing any apps that you find unnecessary.And if you’re willing to part with social networking apps, start by deleting video-heavy ones that suck up your data (sorry Snapchat and You Tube).