Thank you for reaching out to the Samsung community! We would like to inform that you can use Adaptive Wi-Fi feature to use Mobile data and Wi-Fi as per the network strength. Navigate to settings > connections > Wi-Fi > Enable > 3 dots on top > advanced > switch to mobile data > Enable.
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#/
