If you are experiencing this problem, I would highly recommend letting the backup and install run during a time you will not be using the phone for several hours, ideally overnight. Many users are reporting very slow backup and install processes for updating their iPhone and iPod touch to iPhone OS 4. I’m trying to install iPhone OS 4 and the backup and install is really slow, help!

I have noticed a direct correlation between the length of time a backup takes to complete and how often I perform full backups: the longer time that passes between backups the slower the backup will be. Try to keep regular backups of your iPhone, just get in a habit of making one full backup once or twice a month. Regularly backup your iPhoneĪllowing too much time to pass between backups can really increase the amount of time necessary to backup your iPhone. Deleting video files seems to be particularly effective. If you find yourself never listening to some ancient albums, or watching those old TV shows you copied over 8 months ago, just go ahead and delete them from the iPhone. We already discussed deleting photos from your iPhone and the big improvement that makes in backup speed, but deleting other media can help too.

Old apps aren’t the only thing that can slow down backups, so can media. Deleting these ancient apps can help to speed up your iPhone backups too, since there is less data to transfer at each backup or restore. If you aren’t using an old app anymore, delete it, there’s not much reason to keep it around on your iPhone anymore. Delete old and unused apps from your iPhone After I backed them all up into iPhoto and deleted all the originals from the phone, my iPhone backups speed improved dramatically – I went from a painfully slow four hour backup process to a more reasonable 45 minutes with this tip alone. I’ll be the first to admit that I was skeptical of this solution until I tried it myself I had 1,728 photos saved in my iPhone camera roll. It is no coincidence that this tip is recommended by Apple Support, because it works. Proceed to backup as usual through iTunes.Delete ALL of the originals from the iPhone / iPod Touch.Ensure that you have backed up all your iPhone photos to the computer.Copy ALL images from your iPhone to your computer.Launch iPhoto (or Image Capture or whatever app you use to backup photos).

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