Is the video or audio kind of jittery on your Symbian UIQ phone running SlingPlayer Mobile? If so, it could be that other applications are just using up the resources that SlingPlayer needs to provide the best TV experience.
SlingPlayer Mobile for Symbian UIQ requires a good number of resources. For optimal performance when using SlingPlayer Mobile for Symbian UIQ, consider closing other applications (such as media applications like the Walkman) before streaming.
Likewise, consider closing SlingPlayer Mobile for Symbian UIQ before running other media applications. | 
