Well that is interesting. It's not an official way, that's why I don't know about it lol. Anyways, I will not post radios/kernels since people don't know how to use them and can soft brick/brick their phones.
I know something about it. Flashed LowKernel via fastboot and my phone was stuck on HTC logo :\ then reflashed boot.img and everything was ok. but i think its not 100% safe flashing with s-on. or am i wrong?
sorry for bad english.