Device damage
the back glass panel of my iphone 8 is damaged. How much it will cost for repair.
Question marked as
Please check here for price estimates iPhone Repair & Service - Apple Support
Worth to mention that the prices in the above link are all estimates, you'll be quoted the final price when Apple checks the phone, as it might require other repair.
You can book an appointment for repair by locating any Apple authorized service provider or Apple store near you by visiting this link Find Locations - Apple
If you choose to service your phone with Apple authorized service provider, be sure to ask them first for a price quote as the prices will differ than Apple.