Image rotation PC vs Mobile

Images on my blog that are Vertically aligned (taken from an iPhone) that I import and add to the media server, rotate, and then save are appearing correctly (vertical) on a PC, but on mobile they are aligned Horizontally. Same web page, same images, but for some reason mobile wants to rotate them 90 degrees to horizontal.

Something is confused as to how to render them on mobile.

It happens consistently throughout all my blog posts and I don’t know how to fix

Hello,

Yes, iPhone - iPad devices are loading native pictures on landscape if they exist. See, this is original image from your blog http://thirstproductions.com/wp-content/uploads/2015/10/IMG_7320-225x300.jpg and it will be shown like this when you rotate your device.

You have to rotate images on PC, to save them, and then to upload them to WP media library, and to use them trough your blog.

Best Regards