how to grant an access to superuser app,

bought a new iplay 20 pro with no option to choose hebrew language.

the system says that i have to use superuser but i'm unable to grant the proper application.

How do I add the Hebrew language?

Are using an original Global version? Original global version ( SC9863A Octa Core 6GB RAM) supports Hebrew language. btw, Superuser means, root access. Perhaps you may need root access to use this language