Your Samsung phone is not connected to Wifi to watch movies or surf the web. Here are some problems and how to fix Samsung Android not connecting to Wifi.
How to fix Samsung cannot connect to Wifi:
Identify Samsung device is not connected to the network by wifi icon with exclamation mark.

1 / Too many users are accessing
Too many users or routers work continuously causing overload from which you cannot connect to Wifi.
You fix by operation Reset Wifi Router: press the power off (Power) button and open the Router again.
![How to fix Samsung not connecting to Wifi error How to fix Samsung not connecting to Wifi error]()
2 / Router Wifi is located quite far away
Far away from the Router makes the Wifi wave weak a lot, affecting the connection process. You should get closer to the area where the wifi router is located to get better reception.
![How to fix Samsung not connecting to Wifi error How to fix Samsung not connecting to Wifi error]()
3 / Wifi network has changed the login password
Wifi has changed the Wifi password, making the device unable to access the network. You need to delete (Forgot Wifi Network) and re-login with new password.
Step 1 : You go to "Settings".
![How to fix Samsung not connecting to Wifi error How to fix Samsung not connecting to Wifi error]()
Step 2 : Choose "Connection" and choose "Wifi".
![How to fix Samsung not connecting to Wifi error How to fix Samsung not connecting to Wifi error]()
Step 3 : Select to press and hold the Wifi network that is not connecting and select Forget.
![How to fix Samsung not connecting to Wifi error How to fix Samsung not connecting to Wifi error]()
Step 4 : Ask again for the Wifi password and login again.
![How to fix Samsung not connecting to Wifi error How to fix Samsung not connecting to Wifi error]()
4 / You entered the wrong password due to the percussion
Percussion types differ in character conventions that make the password incorrect during password entry. You should turn on the display of characters in the password input process to make it easy to see if you entered it correctly.
![How to fix Samsung not connecting to Wifi error How to fix Samsung not connecting to Wifi error]()
Note: Contact your carrier to check if the connection is disconnected by the network operator if you follow the article but still can't fix it.
Above are some ways to fix the error Samsung could not connect to Wifi for your reference and wish you to use a stable Wifi connection to complete the job.