ok, i've just brought the iphone 16gb about 2 weeks ago with 1.1.4 and some apps and the installer already installed. jailbroken and unlocked. Since then, have added music and movies to ipod and everything has been great since. Until today, after a hard night out last night ( i dont remember much ) my iphone has been weird.. below is some of whats wrong: 1. No sound what so ever (even when you press the sleep button, it 'should' make a clicking noise).. ive done some researching, and have tried the earphone jack trick.. but that is not the problem. 2. some applications dont work anymore. 3. phone seems to be rather laggy when im accessing some parts of the pone. eg. when i go into settings > sounds.. it would take about about 5 or more seconds for the page to load after i click the 'sounds' button. And once in the sounds section, it would be very laggy. If i go into the ringtones page it will lagg again, and NOT preview the sound that you have chosen. 4. when i go into the ipod mode (movie or music) nothing would happen even if i select a file to play.If i was watching a movie, the screen would just be blank with a loading icon in them middle. If i was listening to music then it would go to the player but wont actually play the song. 5. when someone calls me, the phone will lagg greatly and using the phone is almost impossible. The buttons show up and asking to answer or not. But if u try to press any button, the phone will freeze until it restarts itself. And if i manage to get the phone to answer the call, I have no sound. I have tried reseting all my settings, but that has failed to fix the problem. The iphone itself, still seems to be functioning properly..eg. i can use the camera, browse files, play snes (no sound), can still flick through the homepage icons etc etc. Can any one help or suggest something. If i restore or reinstall another firmware, will this lock my phone again?