updating the stucked iphone
I have an i phone 6 and It stucks with iTunes and i cannot update my phone without losing my files
iPhone 6
What does 'stucks with iTunes' mean, what are you seeing ?
If it's telling you to connect to iTunes you will have to reset it and you can then restore to your latest backup : If you see the Restore screen on your iPhone, iPad, or iPod touch - Apple Support