How to backup my iPhone X with a broken screen?

musthafa32 Said:

"my x display broken i cant access my backup any way get or ican connect to itunes my broken phone"

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Get a New Screen:

Being damaged, you need to get a new screen. So take this in for service, ASAP.

To Get this MacBook Pro Serviced...

Contact Apple, and setup a Genius Bar Appointment or see an AASP (Apple Authorized Service Provider) in your local area. Be careful as to where you get this item, as you may get an error of an unofficial screen. So, to avoid this continual message, it is best to have Apple replace a screen.

Contact Apple:

• Contact Us - Choose Locations
• Proceed from there as Necessary

Or...

Contact an AASP: 

1. Go Here: Find Locations - Apple Authorized Reseller
2. Click: Service & Support
3. Enter: your location information
4. See: if there is an AASP nearby
5. Contact: an AASP that shows up, and find out more about the services that they offer to fix the iPhone

It’s unlikely that you’ll be able to backup