Received the "WeChat Wopai" upgrade SMS. Do I have to upgrade to 5.0 if I want to use it? How to use lumia's WP8 platform?

Old users of Guangdong Wopai 36 yuan Package will upgrade to "WeChat Wopai" for free on August 15. You don't need to apply for opening yourself. After the upgrade is successful, you will receive a notification message from Unicom. At the same time, you can download and log in to WeChat version 5.0, click "Me" > My business card > My account > Mobile phone number binding. After the binding is completed, pay attention to "Guangdong Unicom" WeChat WeChat official account, and click the menu at the bottom of the chat interface to use various privileges. (You need to upgrade WeChat version 5.0 to enjoy payment privileges, expression privileges and game privileges). Nokia lumia's wp8 platform can download WeChat version 5.0 for use.