As of now, numerous users have voiced their concern that they are getting bugged with error messages like “operator not supported”, “enter a valid phone number“, “unsupported phone number“, and “we cannot register this number“ when trying to complete the phone number verification on Twitter.
As a result of this, users are unable to change their phone numbers as well. Moreover, they are also unable to join any Twitter community and are straightaway greeted with the “not a trusted phone carrier” error. If you are also in the same boat, then this guide will help you out. Follow along for the fix.
Fix Twitter Enter a Valid Phone Number/Unsupported Number Bug
As of now, the only workaround that seems to be spelling success involves using a Google Voice number using your Google account. So if you have a GSuite account, then do give this tweak a try and check if it fixes the Enter a Valid Phone Number/Unsupported Number error on Twitter. As far as the official stance on this matter is concerned, the developers are yet to acknowledge this issue, let alone give out any ETA for the rollout of a fix. As and when any of these two things happen, we will update this guide accordingly. In the meantime, the aforementioned workaround is your best bet.
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