Forum Discussion
The MSISDN is already registered to another IAM user account when trying to login
Hi I had a prepaid sim that i created an account for. I then went to a Tmobile shop and upgraded to magenta max. I was given a new SIM and the old Tmobile number was ported to it. Since the i get...
Any resolution to this? I am getting this error message.
I had ported my number to another provider but ended up coming back to T-Mobile after a short time.
