My problem is related to this post
[Failure [INSTALL\_FAILED\_UPDATE\_INCOMPATIBLE] even if app appears to not be installed](https://stackoverflow.com/questions/26794862/failure-install-failed-update-incompatible-even-if-app-appears-to-not-be-insta)

I am not able to deploy my app on a real device it works properly on the emulator , i get deployment error, but nothing in the errors tab.

This is from build output

> 
> 2>Build succeeded.
> 
> 
> 2>An error occured. See full exception on logs for more details.
> 
> 
> 2>The installed package is incompatible. Please manually uninstall and
>  try again.
> 
> 
> 2>
> 
> 
> ========== Build: 1 succeeded, 0 failed, 1 up-to-date, 0 skipped ==========
>  ========== Deploy: 0 succeeded, 1 failed, 0 skipped ==========
> 
> 
> 

even after uninstalling the app i was not able to deploy my app on my real device , other apps install fine thorough VS.