I have Samsung a52s 5g. I just face an issue releted network. I just removed Sim card for 1 Day and then next day when I insert it then only 4g is working and when I set for 5g it shows not registered on network and also shows emergency calls only but when I switched to 4g it's work good. But the day before when I removed my Sim 4g and 5g both are working properly.
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 then try to it's again. If you like please accept as a solution it's help to others users also, click 3dots in my reply section and click on accept solution. Thanks.
Kindly reset factory data without backup of apps then try to it's again. If not resolves then go to service center for it's. If you like please accept as a solution it's help to others users also, click 3dots in my reply section and click on accept solution. Thanks.
As per your query, as you have already done the possible troubleshooting steps on your device, we would request you kindly visit the service center and inspect your device with the technical team end, they will provide you with all the information in a better way after inspecting the device physically.
