Even if he is experienced, it would be hard to find the spare lcd. Fitting the LCD is a piece of cake. All you need to do is unsolder the old one, and put the new one.

change the screen?
what, did you crack it? the express on cover, or the actual lcd?
if the cover, then just pick up a new one...
if the actual lcd, and you are asking if its even possible, you cant do it ureself. take it to a nokia care center

What do you mean by change the Screen?
Hardware?,
and what do you want to change?
Please frame your questions clearly and precisely, not a vague question which can have multiple answers

Is there any way to change the screen to nokia 6610?