Cannot be used, because xr does not support 20w fast charge. IPhone EXR supports up to 18W fast charge, regardless of the US version, Hong Kong version and China Bank, if the user forcibly uses 20W fast charge, it will cause problems such as hot mobile phone.
The iPhone XR has a 6.1-inch LCD full screen with a resolution of 1792×828 and 326PPi, and features a Face ID for unlocking, logging in and paying.
It can be used, because Apple xr supports fast charging, and Apple mobile phone charging has an automatic detection function