[Help] Ascend G6 U10 Retail Demo

[BakaTenshi]

Hello,
so I got from my part-time job a retail demo of Ascend G6 with bad battery so I finally changed it today.
And I would like to know if there is a way to get rid of the Retail Demo App. I already tried factory reset and wipe cache.

Build: G6-U10V100R001C900B116

Thanks for the help