TrueDepth camera is broken and face ID disabled
how much does apple tech support charged for TrueDepth camera ( iPhone Xs Max)
Question marked as
See Other Damage in this link
iPhone Service & Repair - Apple Support
Or
Contact - Official Apple Support
Anything other than Screen or Battery may be a replacement phone and the price is in the article under "Other damage"
See also: Get your iPhone, iPad, or iPod touch ready for service - Apple Support