It is possible however that this SAR violation only applies to certain bands or that the cell tower already is requesting a lower transmit power. Therefore there is a good chance users don't see much impact.
Linked to SNR, maybe, but that's not the same thing as max TX power unless you're standing right at the edge of the cell.
https://en.wikipedia.org/wiki/Shannon%E2%80%93Hartley_theore...
There's a log here, so it doesn't even seem linear to SNR.
Would SNR increase linearly to TX power?
I don't know.
What makes you think that?