Stop iPhone loading compressed images

When I view a JPEG image on my iPhone, it apparently load a compressed version of the image (pressumably to save network bandwidth). It has heavy artefacting and makes much of the text on the jpeg unreadable.

I know the answer to this question is probably no, but is there any way to force it to load the original image served by the webserve开发者_StackOverflowr? Any creative solutions?

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Who is your data provider? Which country?

Google yields one way to do it for O2 in the UK.