iPhone 7 plus - blurred photos.

Since the end of last year, my iPhone 7 plus doesn't seem to be able to take photographs in focus. One side of the image is always out of focus:

https://www.flickr.com/gp/84283418@N07/0D08aQ

In this case, both left and right sides are out of focus:

https://www.flickr.com/gp/84283418@N07/8i2M52

In this case the left is out of focus:

https://www.flickr.com/gp/84283418@N07/k1BKN6

It almost looks as if the phone is trying to blur part of it on purpose! I don't see this on the viewfinder, just on the final images.