Character "é" not showing on IOS

Hi everybody

I'm doing a game for Mobile . But I have some probleme with some character..
For example the "é"

To show the text, i'm using Text Mesh pro GUI , with :
On Unity Play mode , The char on ui is showing good.
But on IOS , the UI showing "Fabriqu !"

Someone can explain to me what is going on ?
If someone can help me I'll really appreciate

Have a good day!