Originally Posted by
ftrichard
The Didi driver will want to call you. They do this reliably. This presents you with two problems: (1) Roaming assuming you don't have a Chinese SIM and (2) Language assuming you don't speak Chinese.
The app does translate for you from English to Chinese and has some stock phrases (I am at the GPS location) but they will still try to call you and you'll have the above two problems.
Drivers will not call an international number.