i bought n73 in last week..but now i'm get some problem in my phone.that is my phone get strake severl times in a day.i'm using 128 memory card.it has more than 50MB free space now.but i can't use camara severl time in a short time period.bcz the phone get strake.can you give me some answer for this problem...can i solove that problem in increasing memory card up to 1GB? is it wrong of the phone?