Shenzhen - Post Report Question and Answers
Do you have any recommendations regarding mobile phones? Did you keep your home-country plan or use a local provider?
If you can, try to go to a service center with a Chinese speaker, to make sure you get the best plan for your needs. The China Mobile center in Shekou (near Sea World) was quite orderly when I went there, but the one near Book City in Luohu was not. - Sep 2015