Samsung Galaxy S9 WiFi connected but no Internet
Problem description
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Turn it off and back on again
As usual, the first step with any issue, is to try to turn your phone off and back on again. After that, you can try the following solutions.
Network connection check
It is important to check that the network connection is working properly.
In the Settings > Data usage, check that mobile data is activated, and that you haven’t exceeded the data limit, if you have set up one. In that case, either remove it or increase it.
Access Point Names
It might be that your carrier requires an access point name APN to be setup in order to have a working Internet connection.
They differ by carrier, so you will need to check with your carrier what is required.
Lyca mobile activate Internet setup access point name
Network mode
It might be that the cellular data is not working because the wrong type of Internet connection has been chosen.
By going to the Settings > Mobile Networks > Network mode, try to change the type of mobile connection, from switching from 3G to 4G for example or selecting the phone automatic network mode selection if that wasn’t the case.
Network provider
When none of the previous solutions have worked, the last resort is to contact the network provider, and check with them what the issue could be, which might come from their configuration, or from a dysfunctional SIM card, in which case they will send you a new one.
