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...
For anyone that is still having problem with this issue:
Get to the screen where you can select sign up. Sign up normally. Then select yes when asked if you want to use your XXX email to manage all of your TMobile accounts. Voila!
