nokia 5700 xp music/some s60 application not getting install

by murali r - 10/22/07 7:48 AM

my phone is nokia 5700 xpress music supporting s60 3rd edition.but when i install some s60

application ,the phone replies that,".sis file" not supported or ".jar file" not supported.

what should i do to get those application installed.kindly help me to get those application

installed in my phone.