thanks guys but real prob in n900 is
1) goes to reboot constanlty
2) sumtimes get tis black screen


3)at times sms which i send ll b shown as tho its in outbox(symbol) in conversations.
4)internal error .(app like contacts,conversations) closed

all these started to happen when i installed pr1.3 india release

but i bought n900 frm usa.
so i decided to flash with usa relesae.
so i did it nw but d emcc is d prob nw..