N95 we have n95 nokia when we try to load updates it says our phone does not support. also did blue tooth music xfer and cannot open music fikes in phone thank you

i used bluetooth and transfer music to n95.and it goes to recieved files.i have the music in n95 but cant play it in player. i want to update the phone but it says it was not supported.the code is 0518686.what should i do. i used bluetooth and transfer music to n95.and it goes to recieved files.i have the music in n95 but cant play it in player. i want to update the phone but it says it was not supported.the code is 0518686.what should i do.