volteの有効化は、これらのアプリで可能なのか?

4G LTE Only - 4g LTE Mode
https://play.google.com/store/apps/details?id=com.gametown.voltelte&;hl=ja

4G LTE Only - Force LTE Network Mode
https://play.google.com/store/apps/details?id=com.appcorner.lte4gmode&;hl=ja