Backing up iPhone with broken screen
I have an iPhone X device, which it's screen's LCD has broken.
The screen it self is looking brand-new, but a seller at a local phone repairs store said the LCD has been broken.
I bought a new iPhone XS, the problem is that I cannot back up my iPhone X as the screen doesn't work and I think my computer isn't trusted by my iPhone X, though I'm pretty sure I've connected the phone few times to the computer..
Anyway I'm looking for a solution so I can transfer my stuff back to the new iPhone without buying a new screen.
TLDR:
I need to backup iPhone X with broken LCD (Totally black) that has not trusted any of my computers.
iPhone X, iOS 12