関連ワード:  mobile data while on call iphone    no mobile data while on call iphone    mobile data off while on call iphone    use mobile data while on call iphone    mobile data not working while on call iphone    cannot use mobile data while on call iphone    can t use mobile data while on call iphone    how to enable mobile data while on call iphone    mobile data turns off when on call iphone    cellular data not working while on call iphone