Featured image displaying incorrectly

Can you please share with us a short video regarding the issue which you are encountering? So that we will look at it and let you know back ASAP!

Sorry, I should have included a screen shot.

View post on imgur.com

As you can see, the image height has been greatly reduced. For comparison here is
the desktop version.

View post on imgur.com

You can change the feature image size in AMP optional panel > Design > Single > Feature image > Select Size type.

Reference screengrab: https://prnt.sc/17mdbx9

Give it a try and let us know back if you need any assistance.

The size was set to full. I changed to different settings but no effect.

The issue might occur due to the conflict with the other plugins. Can you please check once by deactivating the plugins on your site whether the issue persists Then let us know back?

Sorry, in the meantime I tried something else. I deleted the image and uploaded a new one. The problem is amp page still shows the old image even though it has been deleted from the server. I cannot check the plugins untill I get the correct image displayed. I have also purged cache. How can I get the correct image to show up on mobile?

Desktop version

View post on imgur.com

AMP version

View post on imgur.com

Okay, so the new image is showing up correctly. Since this was the only post that had a problem, maybe it was the image that was causing the problem. For information, old image size was 2850 x 4161.
Thanks for your help.