When their phones fill up, most people start deleting photos at random; yet most of the space is usually eaten up by things that never cross your mind: WhatsApp media, videos watched once and forgotten, app caches, and files piling up in the downloads folder.
The order in this guide matters: first we measure what's taking up space, then we clean up starting with the biggest item. And we don't delete your photos either — we back them up to the cloud and remove them from the device, so they all stay at your fingertips whenever you want them.