wifi connection problem

Try with Mobile data turn on

Please reset network settings of both Sim one by one and reset all settings in general management settings also flight ✈️ mode on and off one time also optimize your's device in device care too also clear cache of all Apps manually also update your's all Apps too also turn off power saving mode also reset Wifi and Bluetooth settings also go to Wifi settings and click on intelligent Wifi then try to it's again. If you like please accept it's a as solution it's help to other users also, click on 3dots in my reply section and click on accept solution.

You're welcome here.

Dear Samsung Member,

Greetings from Samsung Customer Support!

We regret to hear about your experience with our product. Please believe that this is not a usual occurrence.

Please perform the below-mentioned troubleshooting steps, these may help in resolving your concern.

● Check Settings: Do you get any error pop up, on connecting your device to a Wi-Fi network?
Note: Any prompt that says "Authentication Error" is related to an incorrect password. Please contact your Internet Service Provider for assistance regarding changing your Wi-Fi network password.

● Forget the Network: Settings>Connections>Wi-Fi>Wi-Fi network> Tap and hold the Wi-Fi network that you're having trouble with until the menu allows you to select Forget Network.

● Reset Network Settings: Settings>General Management.>Reset>Reset Network Setting.

● Restart the Router and Mobile Device: → Switch off your Router (at the wall or with the power button on the router) and wait for 2-3 minutes before switching it on. While you're waiting, press the Power button on your mobile device and select Restart.
→Once the router has been successfully connected to the internet again, try to connect to your network on your mobile device.
→ Make sure there is no interference between the router and your mobile device. Concrete walls, fridges, and microwaves can all interrupt the Wi-Fi signal.

● Disable flight mode:→ Kindly check and disable the Airplane/Flight Mode on your device.
→Check Flight Mode by swiping down notification panel on your device with two fingers to access all of the Quick Settings.
→Find the Airplane/Flight mode option and turn it off.

● Update the software if available: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-smartphone-how-to-update-software/

● You can reset your device by following the steps.
1. Kindly create a data backup of your device via the SMART switch mobile application or http://www.samsung.com/in/support/smartswitch pc suite.
2. Remember the Google password before resetting the device because it is required during initial setup.
3. If you do not remember then advise to reset (Forgot password) his/her Google account.

Path: Settings> General Management.>Reset>Temporary cloud backup or External storage backup>After backup tab on Factory data reset to reset your device to its factory default settings.
This will erase all data, including files and downloaded apps.

In case the issue still occurs, please visit the service center for a physical inspection of your device. You can locate your nearest service center with this given link: https://www.samsung.com/in/support/service-center/

Warm Regards,
Samsung Customer Support

thanks to all comment but i try all of things to provide here expet full resetting but not work also mobile network is very low