Yes, you should ensure that the image is sized correctly to fit your iPhone's screen resolution. Additionally, the image should not exceed your device's maximum size limit.
Changing the picture on your iPhone may seem like a difficult task at first, but it's actually quite simple once you know the right steps to take. Whether you choose to change your wallpaper, a specific contact's picture, or use a third-party app to edit your images, there are a variety of methods at your disposal. By following the tips and tricks outlined in this post, you'll be able to customize your iPhone's display to best suit your preferences and style.