Using iTunes to manage music and videos on the iPhone is least to say, annoying. That's because the iPhone can only sync to one iTunes library at one time, unlike iPods. Which means if I want to transfer a new song to my iPhone in office. I can't because it is synced with my PC at home. And if I re-install the OS on my home PC, I can no longer sync my iPhone anywhere because the iTunes library is lost. Moreover, music and video transfers to the iPhone (or iPod) is a one way street. You can't get them out of the iPhone without the use of third party software. So if I restore the firmware of the iPhone with new iOS updates, all the media within are erased as well.
So it's time to ditch iTunes!
For videos, it's easy. Just download the AVPlayer app from the Appstore. Plays most formats including rmvb and wma without the audio lag that seem to plague other players. So there is no longer a troublesome need to convert all videos to mp4 for playback on the iPhone! (Transferring of videos is done using the File Sharing under "Apps" in iTunes, or use third party iPhone file managers like "iFunBox" )
For audio, it's a bit more troublesome. Instead of using iTunes to transfer songs, I now use "CopyTrans Manager". After copying new songs over, click the "Update" button to apply the changes made and the iPhone will recognize the new songs. One warning however, is that CopyTrans Manager might corrupt iPhone settings which will prevent iTunes from recognizing the iPhone. If this happens, there is a restore from backup function in the program that attempts to fix that.
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