This will be a bigger issue for those with 16GB i Phones or i Pads, and not so much for those with larger-capacity devices.
When the update is ready to download, your device should show you a popup alert to tell you so.
Download i OS firmwares for i Phone and i Pod Touch.
All i Phone i OS i PSW files (firmwares) are listed below. You can download firmware for i Phone 5S, i Phone 5C, i Phone 5, i Phone 4S, i Phone 4, 3GS, 3G, 2G and i Pod Touch 5G, 4G, 3G 2G, 1G from the list Below.
Once that telltale red dot shows up on your device's Settings app, you're ready for i OS 10.
Apple rolls out the update gradually beginning on the morning of Tuesday, September 13.
Before you start the download, connect your device to a power source so that the battery doesn’t drain during the update process.
It can take anywhere from a few mins to an hour for the update to download and install, depending on how Apple’s servers are handling the load and your internet connection.
you may need to authorize the computer with your own Apple ID. Fill in the Apple ID and password information, then choose “Authorize” Note: Authorize Compute tells Apple that the songs, movies, apps you have purchased belong to you, and you have the rights to them. Some of the cheaper third party cables are notorious for not working properly and leading to syncing problems, and even some of the Apple branded cables can malfunction after they’ve been in use for a long time. If you just want to add some photos, songs and movies from computer to your devices, you can use an i Tunes alternative to do the job. Try another syncing method: Wi-Fi sync If you don't know how to turn on the Wi-Fi sync.
So the files should be able to copied to your devices. If update i Tunes not fix the sync problem, you can reboot your devices. Restart computer can fix the issue to do with a malfunctioning daemon like the i Tunes Helper Service or the Apple Mobile Device Helper process. Here is an i Pod/i Phone/i Pad file manager, you can use it to sync files to your devices when i Tunes not works. Just connect your i Pod, i Phone or i Pad to computer through the USB cable, and go to the Summary tab, check the “Sync over Wi-Fi” option.
(Note that if you choose to encrypt your backup using i Tunes, along with normal data, secure information like passwords etc.
are also backed up.) You can back up your i OS device using i Tunes or i Cloud.
If i Tunes can't even detect your i OS device, please refer to this guide of i Tunes detection. If the syncing now works but no file like songs, apps, music or movies is transferring to your i OS device, please follow these steps. Go the “Summary” tab, check if “Manually manage music and videos” is enabled or not, if it is then try toggling it off and on again then manually drag a song to your i OS device to force manual syncin. Look under the “Music”, “Movies”, “Apps”, “TV Shows” or respective tabs and be sure that “Sync Music”, “Sync Movies” etc is checked and enabled. Try checking and unchecking those boxes, then hit the “Sync” button again. Pull down the “Store” menu and choose “Deauthorize This Computer” 3. Then restore the i Phone by using the backup you just created.