1. winutils's Avatar
    I just received my ATIV S from Negri (took 2 days - no issues) and I have an AT&T Micro-SIM, however now I am stuck trying to activate it on AT&T. I had no problem before with other unlocked phones but AT&T claims the Ativ S (Samsung I8750) phone does not exist in their database so they cannot activate it on their network. I would appreciate anyone giving me an idea of how to proceed!
    01-30-2013 12:37 PM
  2. Jnbs's Avatar
    Since you are on contract you should register your previous phone and then insert the SIM card into the ATIV S then the system will recognize the phone automatically.. After that your service should work without problems :D (AT&T Rep here)..
    01-30-2013 12:39 PM
  3. winutils's Avatar
    That would be a great idea, however the old phone has a normal SIM and the ATIV S has a Micro SIM. I was hoping that there was an activation sequence (##...#) that would work. I was surprised that AT&T did not have the model in their DB considering it is already in Canada, eh.
    01-30-2013 12:52 PM
  4. crystal_planet's Avatar
    Actually I had the same problem with an unlocked HTC 8S on a carrier here in Canada. I tried to get it to work on line and no go, then I called tech support and said the 8S is not supported and there is nothing they could do. This was Telus, and I came from a Lumia 800, which uses the same sim card type.

    Ironically, I had to go with the Ativ.
    01-30-2013 06:12 PM
  5. Podunks's Avatar
    Actually I had the same problem with an unlocked HTC 8S on a carrier here in Canada. I tried to get it to work on line and no go, then I called tech support and said the 8S is not supported and there is nothing they could do. This was Telus, and I came from a Lumia 800, which uses the same sim card type.

    Ironically, I had to go with the Ativ.
    How "unfortunate" for you...
    If only that was a dilemma here in the states...
    01-31-2013 10:44 AM
  6. crystal_planet's Avatar
    How "unfortunate" for you...
    If only that was a dilemma here in the states...
    It was the only WinPhone 8 available on my carrier. Samsung is odd. The Ativ S is available on every nation wide carrier in Canada, but is absent in the entire US. I don't understand the reasoning.
    01-31-2013 04:05 PM
  7. saket87's Avatar
    Since you are on contract you should register your previous phone and then insert the SIM card into the ATIV S then the system will recognize the phone automatically.. After that your service should work without problems :D (AT&T Rep here)..
    Hi
    I am on the same boat too but I use a Lumia920 and have the same problem.
    but I don't understand what registering is. I could try that.
    I removed the sim today from 920 to ativ s, so don't know what to do
    thanks
    01-31-2013 05:56 PM
  8. Jourdansway's Avatar
    My micro SIM card was actually punched out of a regular SIM card. The seller gave me the remaining piece. My samsung tablet does not show the balance so I was able to put the micro SIM back into the original, slide it into my phone and check the balance. A store that sells micro SIM cards probably has something you could use to do this.
    04-14-2013 10:58 PM
  9. Coolknight1968's Avatar
    You could let AT&T define your phone as a HTC 8X, might work.
    04-17-2013 07:41 AM
  10. noelito's Avatar
    I got my ativ s to work on at&t message me if you still need help
    04-30-2013 08:44 PM
  11. Coolknight1968's Avatar
    I got my ativ s to work on at&t message me if you still need help
    Could you post how, so all users can read the procedure.
    05-02-2013 02:06 AM
  12. noelito's Avatar
    ok ill make a separate post
    05-02-2013 08:23 PM

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