I can not transfer my app to sd card

[Android Central Question]

Andriod 7.0
Developer options is enable
Force allow apps on external is enable

I reboot the system but nothing is happen

I use myphone MYT5 DTV

 

[B. Diddy]

Welcome to Android Central! Are you talking about the Move to SD feature in the Settings>Apps menu, or formatting the SD card as Internal Storage (i.e., Adoptable Storage)?