I'm having trouble syncing music?

I just updated my iPhone software. It erased all of the music and apps from it, which I was aware of. Then, I tried importing the apps and music from iTunes to the phone, but it's not working. Any suggestions?

Added (1). When I try importing music, it simply does not import. It says that it is syncing, but there are no changed results.

Added (2). Also, after updating the software, my phone turned off and I couldn't turn it back on for quite a while. It started working again this morning. There's also no service, which is another problem of mine. I lost service after updating the software.

Can't really help with this little of information.

How did you try and import your apps and you need to describe what happens when you try. Just saying that it doesn't work doesn't describe the problem.

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