How to change the wallpaper of Sharp 60 1sh?

Can't change wallpaper. Sharp 60 1sh is a mobile phone released on October 28th, 20 16 16. This mobile phone is an old one, and it is not allowed to change wallpaper. Sharp Corporation is a Japanese electrical and electronic company, which was founded by founder Takuji Hayakawa in 19 12, and its headquarters is in Osaka, Japan.