Plex app on the galaxy

I run Plex on my home pc so I can watch a movies on my smart TV. I decided to try the Plex App on my phone and am please to say that so far it works perfectly. Although I find the screen is too small to sit and watch a film (although I could if I wanted), I can share photos and home videos around the dinner table when I have friends and family over, without any technical set-up or configuration.

Photography problems and corrupt images

I am not sure if anyone else is having an issue when taking photo's on the Ace 2 but sometimes my pictures are not completely saved when I go back into the gallery. It looks like someone has torn the edge off my shots. It could be that I am turning the phone off before it has a chance to save the image fully. Has anyone else had this or is my phone faulty?