[W715] Changing battery icon and softkeys

I've debranded my W715 from Vodafone to NORDIC. But now I'd like to have back the battery icons of the Vodafone firmware as I like them better (see attached picture - which is from a modded W595). Is there a way it can be done on my W715? If yes how do I do this?

Also I'd like to change the right softkey button - which got currently "Search" on it - to "Contacts" (as it was in my old W760i). What files do I need, where do I get them and where do I have to put them?

Does anyone know the size of the battery icons of a W715? I know I can't patch it right now but I'd like to have the icons ready when patching's possible.