I've tried my SIM card with my friends phone and it worked perfectly. The APNs set themselves and both data and hotspot worked. Then I switched the SIM card back and the APNs where wrong again and the hotspot won't work. It's impossible to put "dun" as a APN type. Please help me out with it. ... Mostra altro

I did follow the instructions. But they don't work unfortunately. It says to add a APN type as "dun" or in case of an error "DUN" but non of those work and I can't set up a hotspot. I just cannot pass this step on my phone ... Mostra altro