I'm sorry, I thought I was clear on the timescales in my original message.
1) Phone upgraded itself to ios 6.x
2) Loses capability to charge or connect to iTunes (lots of people seem to have this problem when I look at other forums)
3) Did all the appropriate press and hold combinations - I've used Apple devices for several years and am quite familiar with them.
4) It charged once but again after being turned on again it went back to the ignore everything state.
5) Bought a new battery just to check it wasn't the old battery being drained so fast it couldn't cope.
6) Phone works but still doesn't charge or connect to iTunes.
7) That's where I am now - asking the question about whether it's possible to donwgrade without the use of iTunes. I have donwloaded ios 5.x and know that through iTunes I can get that to be restored but as I can't connect to iTunes...I ask the question...
Dave