Nokia
Mobile phone 1202

I had purchased one mobile phone 1202 in the month of June. after using the phone for two weeks phone gets hang, i submit the phone to nokia care naraina after two days he returned phone to me in same condition i again approach the nokia care than he returned me the replaced phone telling that your phone has been replaced but phone given to me is also faulty i.e ringer is not working. again i approach to nokia care. after week or ten days he gave me another phone that also hangs,

kindly pl advise me what can i do to repair the phone if there is any mafufacturing fault in the model than replace the model i will pay difference

original phone imei no 351529040305636 phone gets hang

first replaced phone no 351529045314484 ringer / speaker faulty

another swap phone no 35271204020202206 phone gets hang

i approach phone no 080 30303838 also but no response

my mobile no is 09868236529

kindly guide me to repair the phone