I've spent the evening diagnosing my daughter's 32G 4th gen iPod touch. She was getting very sluggish performance and syncs. I took a look and she had under 200MB free. The vast bulk of the memory was being held in apps, according to iTunes (I never could get Settings->General->Usage to finish for me). She has very few apps on the iPod, but I suspected that tumblr was the culprit since it downloads so many images.
I removed tumblr via iTunes and found out that my guess was right. But then I saw that the supposedly freed memory (over 20GB!!) was filling the "Other" bar. I read that excess Other memory could be cleared up by doing a restore, so I disconnected the iPod, did another sync to get a fresh backup, and then tried to restore. iTunes told me that it could not restore because there wasn't enough memory on the iPod. At the same time, the iPod rebooted but never got off the screen with the Apple.
At this point, I can get rid of the Apple screen by holding down both the power and home keys to reset, and after the reset, I hold just the power button. The Apple appears briefly and then it shuts off.
I can also get into DFU mode connected to iTunes on our iMac. I understand that if I go forward with that, I wipe everything on the iPod, a fresh version of iOS gets installed, and then we can do a restore from the last good backup I did - hopefully without reinstalling all of that Other memory.
So, after that lengthy explanation.... Is the clean start my only hope with this thing? If I took it to my Apple Store, might they be able to get it working without the factory reset? Any ideas?
I then need to present the options to my daughter before proceeding. One thing is clear: No more tumblr on the iPod.
Thanks in advance!
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