Yes, You can. But was feu ruls! Dont chenge led in Mitsubishi Mars! - low light result
Remember thet in some Nokia like 6210 6310 use bigest led. and standart small blue not useble
Also remember! Led have high temperature sensivivty - you can burn out led on soldering it! For last, chenge ALL led in phone, in ather case no symetrik lite power you resive.