Thanks for being with Samsung and sharing your concern. We would like to inform you that Samsung Dex is compatible with Samsung flagship devices. Please let us know the exact issue along with the device details you are using as then we would be able to assist you better. Be sure to hit ♡ when you find an answer that works for you. For Further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/
