[Resolved]  Nokia5230 Handset — expired certificate

i have purches latest nokia handset 5230 imei no.[protected]. Bill no.1619 black colour RS 8295/-on 2nd jan.2010 but he is a defected pieces ....main jab koi bhi software set mein install karta ho to wo expire certificat dekhata hai.maine set ko nokia customer care par teen baar diya par problem solve nahi hue phir mera set chaar baar headoffice bheja gaya par koi fayada nahi hua mai ab tak nokia helpline par kam se kam 40to50 times call karke apna balance waist kar chuka ho par koi result nahi nikla maine apna set replace karwane ke liye bhaut baar request mails nokia customer se karwaye fir bhi unka jabab ye raha ki set head office jayega meri ye samajh mein ye nahi ata ki jab head office se set sahi nahi ho raha ya change nahi ho raha hai to kya fayda headoffice bhejne ka kya fayda .aur ab mujhe ye bataya gaya hai ki company ne is set ko band kar diya hai cause jayda tar set main problem thi to jab company yeh set band kar diya hai to unko mera set change karna chahiye.par inko customer ko pareshan karne mein bhaut maja ata hai jabki mera case company mein high priority par liya ja chuka hai fir bhi no progress in my set. jab se maine yeh phone purchse kiya hai tab se mera phone mere paas kam rehta hai aur company mein jayda rehta hai.cause company ke paas jab set jata hai to wo 10to15 days ka time dete hai wapas karne ke liye so aap soch sakte hai ki mera set kitna time company mein raha hai aur kitna time mere paas raha hai total mera set 7times mera set company mein raha hai aaj bhi set dikhane par set company bhejne ke liye khate plz mere problem solve karwaye.