mobile

I have summit my phone sony st23i on 30.09.2013 my ticket id is 13093000075,after that servece center says with in 2-3 days problem has been resolved because motherboad will be replace.After that on friday (04.10.2013) i have call to servece center, he said it will take 4 to 5 more days, call me on monday.than call to customer care (sr. excutive sandhiya) she said give me some time , i will update you on 05.10.2013(saturday) at 12 o clock because serice center was not picking phone call. After that i have call to customer care on saturday(05.2013) after 3 o’clock.(because i have not got any call frome customer care).that day i spoke anoter sr excutive but he was not able to resolve my proble and always saying it will take more time may be 7 days.but service center was saying may be sony will upgrade yur phone because they have not mother boad..on saturday after 1 hours holding on phone . they have disconnect the call. now today monday 07.10.2013, the cervice center is saying , i have not any update frome sony regarding your mother boad. may be they upgrate your mobile. now you will call me after 3-4 days.After that i have call to sony customer care now the cusoter care excutive saying , it will take minimum to minimum 10- 15 days(for replace the moterboad).

now what i do ? in last 2 mont i have summution tow times my mobile on sevice center and i have more than 30 times call to service center and sony custome care .on 07.10.2013 at 5 o’clock when i call to service center to provide standby mobile than they saying i have not any standby mobile (but customer care saying you can go service center and take standby moble for few days).If you needed than i will Provide you standby mobile on next day but only on noon not in evening.today i have taken 1/2 day for this activity.and when i talk to him when you can give me my mobile than they are saying now it will take min to min 7 days same inform to cutomer care but they are not doing any help .what i do ? still i am facing the proble . Please help me and help to resolve the proble .
ticket id is 13093000075
.
sony service center-01133514017 .
Customer care-180030002800 .

thanks
Saujanya kumar
8800095345