Symbian development 2016: Using Belle SDK, QtCreator 2.5.2 and GCCE 4.6.3 with QtSDK v1.2.1 offline on Windows

Hello guys,

the last Nokia QtSDK which has an offline installer doesn't contain Belle SDK, has an old compiler and QtCreator version, e.g. you don't have a real C++11 support.

Here's a little guide to fix this issues: