Can I use Wi-Fi on my iPhone in china?

I have an iPhone 5. I'm going to china soon, will I be able to connect to Wi-Fi in china? And also, does iMessage work in china? Even on Wi-Fi? Because I heard china might block imessage

It won't be a problem, you can use iMessage and connect to Wi-Fi.China just block some websites like youtube, Facebook. If you want more information about China, you can text me.

You can use Wi-Fi