on 09-09-2020 23:29
my new sim won't link to 4g in a tp link mifi router. It did initially work but i was asked to put the sim in a phone to activate a family discount. After putting it back in the router the connection fails.
on 09-09-2020 23:36
Login to the router control panel and check the APN is correct.
You need these settings https://community.o2.co.uk/t5/Android-Devices-Samsung-HTC-Sony/Connecting-Android-Phone-to-Data-Serv...