There might be a little Speed improvement wiith this iOS 7.0.6 Update, but I can't say for sure!
I definitely got better at keeping my very explicit Logs, and I see some "hope" through that, because it gives me Predictability, where I can Estimate almost to minute when the Large Numbers of Songs Batch will Finish Syncing!
I am even more certain about my Conclusion:
The Speed of Sync has little to do with the GB's Size of the Total of Songs that are being Synced!
It's the Large Number of Songs that the Sync takes too long to process!
The iOS Sync is not a straight Copying via USB or WiFi, like it would be in Finder! It's going through TCP/IP Protocol, but I don't know much about that, and how it effects the Speed! Maybe Apple uses TCP/IP to better control Security to protect iOS? But I don't care!
My recent Batch was 3833 Songs = 2.89 GB
It took an Overnight Sync = Finished = 9 hrs : 15 min : 57.7 sec - or sooner!!!
My Raw Estimate was:
3801 Songs added / 633.48 min = 6 Songs Per min Average Speed for this Entire Sync
But it turned out to be
3833 / 633.48 min = 6.05 Songs Per min Average Speed for this Entire Sync
0.05 sec x 3833 Songs = 191.65 sec / 60 sec = 3.194 min
So, the "sooner" = 3.194 minute faster than Overnight Sync = Finished = 9 hrs : 15 min : 57.7 sec ??
Basically, knowing the Speed of Copy, and thus having the ability to PREDICT when the Sync would Finish, really helped ME to deal with the FRUSTRATION of this SLOW SYNC!!!!
So, re: the Name of this Thread / Topic - Music not syncing after iOS 7 update -- my GUESS is that it's NOT TRUE!!!
What I think is happening is this:
The Sync is VERY SLOW
Users Lose Patience and Quit, because these Stages/Steps of the Sync take too long:
Waiting for changes to be applied
Waiting for items to copy
But, if the users look in iPhone Settings > General > About, and keep Tapping to Refresh the About, they will see that the Number of Songs • IS • increasing, which means that the Songs • ARE • being Copied!
The "SOLUTION" is PATIENCE!!!
Do these Large Number of Songs Sync Overnight!
Start Early, so that, if you need to leave in the morning, you are not stuck waiting!!!
Do the Math to Estimate the Sync Speed, so that you can Predict the Finish Time!!!
For me, my 25454 Songs will take 3 Overnight Syncs!!!
The SAD AND SCARY PART is this:
There is NO CERTAINTY as to How Long that House Of Cards will last! I.e. Here is my Example:
2 Days ago, all of a sudden after a few days of OK Syncs, my Sync would Unexpectedly get stuck minutes after the Previous Sync that was Fast and OK! I am pretty sure WHY that happened:
I did that 2nd Sync, that got stuck, about 1-2 Minutes after Starting iTunes!
There was a Podcast Downloading RIGHT DURING the Sync!!!
Those 2 Activities COLLIDED!!!
Ironically, this happened right before I was about to do this iOS 7.0.6 Update!!!
So, when I saw that "Collision", by looking at my Recently Added Playlist, I saw that Podcast Trying to Download, while the Sync was trying to Sync!
After I Quite that Sync, I saw that my iPhone 4S lost 17 GBs? almost ALL my Music!!!
So, rather than do another Sync, and let my iPhone 4S and iTunes "argue", I did my usual fix:
Restore as New
Restore from Backup
Doing it that way quickly Erased Everything, and gave it a Clean Start in about 30 Minutes!!!
Then I Unchecked All Music, and Split my 25454 Songs into 3 Overnight Syncs!!!
So here is my I HAVE A DREAM:)!
Dear Apple:
Please give us a More Stable and Faster Syncing of Large Number of Songs!!!
The Speed of Sync should be about the GB's Size, not about the Number of Songs!!!!
I should be able to Fill Up my 64 GB iPhone 4S OVERNIGHT even if each of my Songs is a 10 SECONDS Voice Memo, or whatever Content!!!!
If I am using this great app, Audio Hijack Pro to Record my Voice Memos, it SHOULD NOT MATTER!!!
Apple's Questioning my 3rd Party Content, LAME Encoding http://lame.sourceforge.net used by Audio Hijack Pro being the Cause of this Slow Music Sync - that sounded like an Excuse to me, a way to avoid blame! But hopefully Apple realize that by now, and will really try to Improve their iOS Sync Software Code, when dealing with Large Libraries, at least in my Case!
In short, if those LAME Encoded Songs play PERFECTLY in iTunes on my Mac, then they should be AS WELCOME on my iPhone, or iPad!!!!
If Apple Fixes it, I'LL BE THE LOUDEST SCREAMING HAPPIEST APPLE CUSTOMER IN THE WORLD:)! REALLY!!!!!
I'll say it again:
Until iOS 7, as recently as iOS 6.1.3, IT JUST WORKED!!!! And now, after iOS 7 Update, all of a sudden I have to Play Detective!!!!
I've hardly EVER had to keep such DETAILED LOGS!!!
It's FRUSTRATING!
I can't even imagine how frustrating it must be for Apple Care Advisors to handle all those countless calls regarding this SLOW SYNC of Music on iOS!!!!
Oops, this Post ended up being long again, and I am not sure if anyone here really cares! But, if you do, then please LIKE this Comment, so that I don't have to Guess if anyone has actually read it!
If there are enough LIKES, I'll post my Sync Logs "Template" so that it will be easier for you to Estimate the Finish Times for these Large Number of Songs Batches!!!
If not enough people care, I don't want to waste my Time, trying to Abbreviate my Detailed Logs before Posting them for the whole world to see....:)!
Best of Luck to all of you, until Apple Fixes this once and for all, PLEASE!!!!
Thank You to Apple Discussions Moderators for letting me Express my Experience in the Spirit of Free Speech!!! I am not looking to start Riots, or Petitions! I just want to go back to a Very Enjoyable and Productive IT JUST WORKS Experience that I once had with my iTunes and iPhone 4S and iPad, never ever thinking about Syncs!!!!
Thanks in advance for your help, Apple!!!