Thank you for being a part of Samsung community. As of now Galaxy On5 does not have water carbon cooling technology. Please know that we are continuously working to improve the Samsung customer experience, and we have taken your feedback into consideration. If you have any other suggestions you would like to share with our product team, please let us know. Your comments and requests are greatly appreciated. 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#/
