A phone resize is a common way to lose the last bit of edge information in a picture. The file still opens, the colors are fine, and nothing looks obviously broken until you zoom to 100 percent and notice that hair, stitching, and small type have gone soft. That is not always motion blur. It is often a mix of in-camera smoothing and a downscale that discarded high-frequency contrast. ... https://mejorarcalidad.com/