windows phone 7 - Will apps developed for WP 7.1 work on WP8? -

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i have developed app targeting windows phone 8, doesn't work on windows phone 7.5. working on both platforms, have decided target windows phone os 7.1 via microsoft visual studio 2012 instead.

will app works on both wp 7.5 , wp 8 if target wp os 7.1 in vs 2012?

windows phone applications forward compatible. means applications built windows phone 7.x should work on windows phone 8. however, not guarantee. applications may not work , should test application on windows phone 8 devices.

you can maintain 2 versions of application: 1 windows phone 7 , 1 windows phone 8. publish both versions 1 application users of each device can best application device.

you can upgrade windows phone 7 project windows phone 8 project, cannot downgrade. best thing create new windows phone 7 project , move files wp8 project new one.


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