The app is not adapted yet. If the app is not adapted, the Pronghua signature will expire. The solution is as follows.

1. First, change your mobile phone and click on the WeChat official account to search.

2. Next, enter Puronghua app in the search bar.

3. Finally, re-download and install the Puronghua app. Ronghua is an Internet financial product released in the form of a mobile APP under China Merchants Bank. It mainly serves various financial services such as loans, credit card repayments, and wealth management.