After adding Package ID in Package.AppManifest file in a Windows Phone 8.1 app which we got when reserved app name on dashboard ;app is not working.

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C#

Windows

WinMobile

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We have developed a Windows Phone 8 app through VS Express 2012 for Windows Phone and then the same solution is upgraded to 8.1 when opening through VS Express 2013 for Windows and when we tried to submit app we got certain errors like package ID & Publisher ID needs to be changed,we did the same & submitted the build but because of doing such changes build come back to splash without activity please let us know what is the problem but store has approved our app which is completely passive after changing Package ID(Given to us at the time of reserving app name) in Package.AppManifest file.