[Resolved]  Sony Mobile — service center also refuses to take in on hand

i have baught sony erickson mobile 2 years ago
m 600 i
it has now problem of automatic swirch off and restart when i go to service senter they say to me that its display is not in good condition so u need to change it then i change it but after change it service senter man say to me that i[censored] take a bill then u dont have any warrnty or gurantee but i[censored] dont want to take a bill then u may got it still 10 days so dont offer to him to give me bill
so after 15 days same problem have come agin so i go to service center they refuse me to do anything then when i go to loca mobile repairer they tell me that its display is old noy new so i face cheat at there
now i cant to anythinggggggggggggg