Check if the Wi-Fi goes wrong by the operator
It is true that sometimes the Internet can go wrong for a carrier error. Maybe a one-time drop in the line or something that causes errors. But in general we can say that the problem is going to be on the user side. You can check this in a simple way and rule out problems
test wired speed
The first thing is to see if it works well wired connection. You can use a computer or any device that is connected via an Ethernet cable and run a speed test. Does this test indicate that the speed is good or what arrives is very limited and you notice that there is a problem with the network?
If you see that the speed that reaches you is correct, then there is no problem with the operator. You will have to investigate further to find out why the Wi-Fi network is not working properly when connected.
Get closer to the router
The next thing you can do is move closer to the router. If, for example, you connect via Wi-Fi from a mobile phone or a laptop and you see that the speed is very slow, perhaps the reason is simply that you are too far from access point. Therefore, try to get as close as possible and try there again to see how it goes.
If you see the speed improve when you get closer to the router, again this is not a problem with the line, but rather with your devices. It may happen that the network card you use is very limited or directly that the distance is excessive and the connection will not go well.
Change the Wi-Fi band
Another point to keep in mind is that you may be connected to the wrong band. Most devices today allow connections in both the 2.4 GHz and 5 GHz bands. We can say that the first has greater coverage, but less speed. On the other hand, the 5 GHz is the one with the highest speed, but more sensitive to distance and possible obstacles.
In this case you can simply try to connect to another band. Perhaps the conditions are not good in your case and when you change to another the wireless connection starts to work much better.
use another device
Finally, another very useful step to see if the Wi-Fi is not working because of the operator is simply use another device. If you have problems with a computer, try to connect from your mobile, tablet or any other device and thus compare if the speed that reaches you is better or if you continue to have problems.
It is possible that this problem is something punctual of a specific team, but in the rest everything works fine. This will also help you spot potential issues with a device and take action.
In short, as you can see, you can take into account some tips if you doubt if the Wi-Fi is going wrong because of the operator. You can determine what may be going on and take action to fix it as soon as possible. The goal is to improve slow Wi-Fi connection.