Thank you for being a part of Samsung community. We apologize for the inconvenience caused to you. We would like to inform you that Galaxy TAB S4 does not support dual SIM, Its has a single sim slot. Be sure to hit ♡ when you find an answer that works for you.For Further assistance, you can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/
