Caught in a log in loop

Same here.  I have tried to get this to work on several devices, but my main problem is I have a portable router which has my SMARTY Sim card.I have tried to get this to work on several devices, but my main problem is I have a portable router which has my SMARTY Sim card. I also have an iPhone that works off Giffgaff. From my iPhone I disable data on giffgaff and try to login to Wi-Fi on router.what happens next as I get asked for a SMARTY login on a captive Wi-Fi page? I enter email and password. What happens next? Is I get asked for a SMARTY login on a captive Wi-Fi page? I enter email and password. I then get a verification page. It asks for a verification code. I cannot move the captive Wi-Fi page because it crashes. And then left-hand to repeat the process over. I have tried viewing passwords sent by email to another device. I have tried viewing passwords sent by email to another device. But I cannot enter that into my device. It seems to be browser specific.