Wondering if you could help me with this. I've a friend who can receive my texts just fine but I get none of hers. Last one I successfully received from her was about 3 weeks ago. She showed me the dialogue box on her phone and it shows as successfully sent. She's the only one I have this issue with, all other contacts I get their messages just fine. Ideas?
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Although this thread is quite old, I'd like to add an update since I came across it. When you are unable to receive SMS from one specific number there is something else to check. Go in the My Account application and look under My Services/Extreme Text Messaging and look in text blocker to make sure that you didn`t add a number in there by mistake
Hope it helps!
Hsve tried deleting then re-adding the contact, checked my settings and she's not blacklisted accidentally, performed a Settings reset even and am out of ideas.