I have also faced this problem many times that wifi and hotspot not working on Samsung phones. If you want to fix this problem then it is very easy.
Follow some steps. Maybe wifi and hotspot on your phone will work properly.
1 . Call customer care
The first is the easiest step but a little time-consuming. Call Samsung Customer Care and try to solve the problem with the help of experts.
This will take your time but there is a high chance that you will find a solution. The second way is also easier.
2. Reset network settings
Go to settings > General management > Reset > Reset network settings
Check whether WiFi and Hotspot are working on your phone. If it is not working too, try it.
Go to settings > General management > Reset > Reset settings
As soon as you click on reset settings, your phone will reset and restart.
Don’t worry, your data will not be deleted. The default setting will be applied to your phone.
3. From Samsung Member App
Download or update Samsung member app from Galaxy Store.
Open Samsung Members app > Get help > Text chat
From here you can solve the problem by chatting.
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