A34 WiFi network connectivity issues

Please reset network setting of both Sim one by one and than reset all settings of your's device in general management settings also Flight ✈️ mode on n off one time, restart your's device without any Sim in slots, interchange Sim in slots, turn off power saving mode and go to wifi setting and turn on intelligent wifi also. If you like please accept as a solution it's help to others users also, click on 3dots in my reply section and click on accept solution. Thanks.

Dear Samsung Member,

Greetings from Samsung Customer Support!

As per your concern, kindly perform the following steps to resolve your issue.

Galaxy device network issue: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-smartphone-how-to-optimise-network-connectivity/

Galaxy device Wi-Fi issue:
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.

Restart the Router and Mobile Device.

Reset settings: Settings > General Management > Reset.
Reset network settings: Reset Wi-Fi, Bluetooth, and other network settings to their default.

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

Reset your device: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-mobile-how-to-perform-a-factory-reset/

In case the issue still occurs kindly 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

Zadrankhan rahi