[Resolved]  Sony Ericsson Mobile Model G705 — G705 software problem

I am now in Dubai. on sept 21 me buy a sony ericson mobile model G705.shop name is Royal status,behind astoria hotel dubai. After 10 it has no display and not working then i went to that shop and asked what is the complaint then the technician said its software was gone and he repaired that.the same problem repeated 4 times and now i buy a new mobile for my use. the shop owner said sony ericsson have only warranty he will not replace that with new one what i will do.