Hi,   With my Samsung A21S I expected to be able to take photos then blow them up to print out as large posters, but the file sizes are just too small. Sure, the image files are fine for social media, online, or on computer screen, but they have limi...

Hi,   When I go to Calls, then Recents, my A21S only shows callers from my Contacts list. If I get a call from a new number it doesn't display at all.   Elsewhere I saw this suggestion to rectify it: 1. From the home screen, swipe either up or down t...