[Resolved]  Nokia3110c — problem in handset

sir,
we have purchased hand set 3110 in last nov. it has develop problem in soft were in 14 july2009.
we have sended it to your customer care wia comp.no.-[protected] .
they send it to your delhi office.it came back to me on28july2009.after one day again develop
the same problem.
since that date i have visited several time to your yashwant plaza office but our problem till
now not shorted out.
so please take necessary action other wise i will go to customer forum for further action.
detail of handset are following-
NOKIA 3110C
GRAPHITE 512MB
IMEI -[protected]
PURCHASE ON-01.11.08