[Resolved]  Samsung Galaxy Pop I559 — Very poor Battery backup

Address:

East Delhi, Delhi

I have purchased samsung galaxy pop i559 cdma handetset on 25 december 2011.there is problem in this handset (very low battery backup) ,i got repaired my handset three times but than too same problem is coming.i m not getting any satifactory response from any person belongs to Samsung.if holds responsiblity please help.
1.aditya infocom ashok vihar deep market (two times)first in 4 january and then on 29 january.
2.moti nagar samsung service center 11 january 2012

But they are giving only excuse like do not use memory card, internet & phones application
And they are not taking this serious but i m a working girl so i do not have extra time to repair my handset.......