Hi Evry one

sorry for the bad english. im from sweden.
im having a similar problom. i buyed my n900 3 years ago. but the thing is i had to flash it jester day and now its asking me for the lock code i have no clue what that was. i woude be realy tackfull if any one coude help me. do you need the nr under the batteri ? and wich one of them ?