Consider the following scenario:
You have a computer that uses the mobile broadband connection.
You remove a SIM card from the computer.
You insert a SIM card again.
In this scenario, even if the SIM card is detected by the adapter, the View Available Networks UI (VAN UI) still shows Insert a SIM text until the network connection is established. After you install this update, the VAN UI shows No service text until the network connection is established.
To resolve this issue, install update rollup 2975719. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2975719 August 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates