CamaroBee

NOW RUNNING iPhone 4 OS 4.3.3 on Pioneer z120bt AND EVERYTHING IS FIIIINE HERE IS THE SOLUTION!!! This is guaranteed to work 1. BACK UP YOUR IPHONE 2. IN ITUNES UNCHECK "Sync Apps" (MOST IMPORTANT STEP!) 3. DELETE ALL APPS, MUSIC & MOVIES (BEST TO RESTORE or UPDATE) 4. ADD/SYNC MUSIC & MOVIES 5. FINALLY SYNC APPS The problem is with the way iTunes syncs it writes apps first and that messes ipod music & videos somehow!! Enjoy

I had this issue too. NOW RUNNING OS 4.3.3 AND EVERYTHING IS FIIIINE HERE IS THE SOLUTION!!! This is guaranteed to work 1. BACK UP YOUR IPHONE 2. IN ITUNES UNCHECK "Sync Apps" (MOST IMPORTANT STEP!) 3. DELETE ALL APPS, MUSIC & MOVIES (BEST TO RESTORE or UPDATE) 4. ADD/SYNC MUSIC & MOVIES 5. FINALLY SYNC APPS The problem is with the way iTunes syncs it writes apps first and that messes ipod music & videos somehow!! Enjoy

I had this issue too. NOW RUNNING OS 4.3.3 AND EVERYTHING IS FIIIINE HERE IS THE SOLUTION!!! First of all make sure you have the OEM PIONEER iPod cable. 1. Connect iphone to pioneer. 2. press AV Sources menu 3. press Off 4. Go to Settings> AV Settings > toggle AV1 until Ipod is selected... This must be done when AVsource is off or it wont work.. If it still fails (or if you have trouble connecting your iphone to pioneer and keep getting authorization failed) This is guaranteed to work 1. BACK UP YOUR IPHONE 2. IN ITUNES UNCHECK "Sync Apps" (MOST IMPORTANT