2520053 - Fiori Launchpad on Portal Runtime error appears using Android mobile devices

• You are using an Android device and receive a Portal Runtime Error when accessing the launchpad
• You are using either a mobile internet browser (e.g: Google Chrome) or the Fiori Client app
• Checking the Portal Developer/Default Trace files you see the following error:
  "[EXCEPTION]
  com.sapportals.portal.prt.component.PortalComponentException: Error in service call of Portal Component
  Application name : com.sap.portal.navigation.flp.resources
  Component : pcd:portal_content/<PCD_Location>/com.sap.portal.FLPResources
  Component class : com.sap.portal.navigation.flp.resources.FLPResources
  User : <user_id>
  at com.sap.portal.prt.core.PortalRequestManager.handlePortalComponentException(PortalRequestManager.java:786)
  ...
  Caused by: java.lang.NullPointerException: while trying to invoke the method com.sap.portal.ds.objects.IDeviceGroup.getAtomicID() of a null object loaded from local variable 'deviceGroup'
  at com.sap.portal.navigation.flp.resources.FLPResources.getDevicGroupAtomicId(FLPResources.java:420)
  ..."
• You have implemented KBA: 2457557 but the error persists

• SAP NetWeaver Application Server for Java 7.31

• SAP NetWeaver Application Server for Java 7.40

• SAP NetWeaver Application Server for Java 7.50

• Enterprise Portal

android, samsung, galaxy, sony, htc, smartphone, phone, ep, portal, device, groups, ua, user, agent, fiori, client , KBA , EP-PIN-NAV-FFP , Fiori Framework Page , EP-PIN-PRT , Portal Runtime , Problem