Chances are good that it does, and if the i Phone is a 5 or newer, or the i Pad is an Air or Mini 2 or newer, it will be supported.
Only the newest model i Pod touch is supported, however.
The 10.3 update includes the conversion of your i Phones current file system to a new one.
According to ZDNet, it includes "optimization for solid state storage, strong encryption, better file time stamping (down to the nanosecond), and many storage saving improvements."It's unlikely anything will go wrong, given that beta testers have been putting i OS 10 through its paces for months -- but better safe than sorry.
All information including contacts, calendars, apps and music are stored in i Phone backups or your i Tunes library and are not affected by i OS firmware updates.
Upgrading to i OS 8 from an earlier i OS version will result in the deletion of all i Phone multimedia tracks as well as photos which are not within the Camera Roll.i Tunes takes up too much space and recourses on your computer?You can now make full-featured backup and restore of your i OS device to PC without the need for i Tunes via using the free Copy Trans Shelbee.Let’s walk through some important steps to prepare for the i OS 10 update the right way, including checking for supported hardware, doing a little cleanup, insuring adequate backups have been made, and then of course, diving right into the install.Obviously if the device doesn’t support it, there won’t be any updating, so does your i Phone or i Pad support i OS 10?(Call me old-fashioned, but I tend to mistrust the cloud -- and i Cloud always strikes me as a little piecemeal.)Step 1: Connect your i Phone to your computer via USB sync cable.