Touch screen replacement

Where can I buy touch screen replacement?

Contact for spare parts.

AfterSale reply me:
“The screen of Hi9 air is out of stock and has stopped production.”
I need only touchscreen, glass is broken, someone can help me?
LCD Display works fine

But touch and display are glued together so you can’t replace it without separator.

I can separate them with an Hair Dryer?

You can detach the display module (display + touch) with a hair dryer, but you can’t separate the touch from the display.
You need something like this