code to get in my phone?

i have a nec that i forgot my phone code and want a code to break any help and i don't know the phone model all i see is

kmp6j1cb1-1b
fcc id:pjo-kmp6j1cb
imei code :35750800908856 f
s/n161511300307731 05w47

0678
pls help me out

Is there any way I can download/make ringtones to my phone?

I have an unlocked Euro NEC phone, model e132. How do I go about downloading/making ringtones for it?
Carrier: T-Mobile