Nokia Mobile Model No 3110c
Phone not working with memory card

I have purchased a new Noia mobile phone from a reputed shop with the origonal bill for the same in last nov-07

Model no is 3110c and sr.no 356974011264062

From last week my phone is not working smoothly with memory card. it switches on and off for 2-3 times automaticaly after putting on with memory card but work very fine without memory card.

I also lauched a complaint in nokia care but still no reply

Memory card details is Kingston Micro SD 1GB card

Also phone book memeory not arranging in alphabetical order S letters comes after Letter A and also it shows selected memory empty and automatically come out of name search.

Also phone switches offf when trying to play music files

Kindly help me to solve the above said problems with any suitable solution or give the replacement of the cell phone as it is in warranty period.