Hey guys, I have stumble upon this link Sony Ericsson J132 Mobile Phone only £8 in-store @ Asda! Max 2 Per Customer - HotUKDeals Forum
It seems to be the cheapest mobile I have seen so far.
£8.00 Sony Erricson J132. The reviews are not bad either.
Sony Ericsson J132 - Full phone specifications
Asda part of Walmart is offering some crazy deals on gadgets