If you have a recent iPhone it probably defaults to Live Photo and stores images as files that have an HEIC file name extension. Here’s how to change the default to shoot regular still images and save them as the JPEGs you’re accustomed to. But HEIC (High Efficiency Image File format), better known as HEIF, is better than JPEG in many ways, and after learning a bit about it you may not want to revert back to your old, comfortable JPEG files.
