I have two philips devices which a want to control with the MyRemote-App on my iPhone 4S (no jailbreak). With the 43PFL9606-TV I have no problems to connect with the App, but if I switch on the App to control the HTS5591 it appears only a white screen and noch buttons to control the device. I have the newest firmware on the HTS and the TV and also on the iPhone. Sometimes if I disconnect the network-cable and connect it after a while again, it works, but if the Phone goes into the sleep-mode the App crashed again. Any ideas? Is this a known problem? Are you working on a new firmware or App-update?