
Originally Posted by
wizard_hu_
Technically most S60 3rd edition applications could run (or let us say 'start') on S60 5th edition devices. However there are some radical changes (like the lack of keyboard), which may or may not cause difficulties, depending on the input model of the given application.
Due to that S60 5th edition devices do not claim themselves as compatible with S60 3rd edition - if you want to declare compatibility of your application, specify the S60 5th edition product identifier instead/besides of the S60 3rd edition one: