I don´t find the mail after the upgrade my meizu M2 Note

I have a Meizu Note 2 that bought in China in December 2015. I made the upgrade it to new Flyme version 5.1.5.0A. In my country I need to use de mail that came for default with the phone. Until the moment that I do the upgrade, the icon of mail appeared in the desktop. After the upgrade the icon of mail no appear in desktop, however, on the phone appears that is running. What´s happen with this?
I need somebody help me about it.

Admin

@Donaclara can you explain your issue more in detail please? I do not really understand what exactly is missing.

Is the Flyme account missing or the mail app overall or something entirely different?

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