Open Settings -> Connections -> Mobile Hotspot and Tethering -> Mobile Hotspot, Tap on Network Name/Password/Band to open 'Configure Mobile Hotspot' page, expand the Advanced menu, scroll down and enable the toggle WiFi sharing, and you're done. Your phone will now act like a Wi-Fi repeater, sharing the connected Wi-Fi network over your hotspot.
We want to inform you that all devices have different and specific features depending on their hardware and software. As of now, the particular feature you inquired about is not available on Samsung devices.
We appreciate your feedback regarding this matter and will take it into consideration for future updates.
If you have any other questions or need further assistance, please feel free to reach out.
