Can I still make calls and use the internet with TFW?

Yes, absolutely! In case of displaying TFW on your phone, you are still able to make calls, send text messages, and use the internet like any other network. TFW stands simply just TracFone Wireless, which is a carrier that operates on major networks such as Verizon or AT&T. When one would ask, What does TFW on the iPhone mean, this is simply to indicate that you are in a prepaid network. Just so long as the phone you use is activated and your plan is active, there should not be any challenges that you may face to stay connected with the TFW carrier service.

Know more : https://gadgetbyte.net/what-does-tfw-mean-on-iphone/