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T-Mobile N10 5 G shows locked/OEM Grayed out Sep 16, 2021

  1. GiaXue
    Cupcake Sep 16, 2021

    GiaXue , Sep 16, 2021 :
    T-Mobile N10 5 G shows locked/OEM Grayed out. I talk with T-Mobile support they to unlock the device and got a message saying device already unlocked. But when i try to use the unlock feature from the phone it says failed error 255, the unlock status shows locked. They escalated the issue to their support team and they also confirm that the device is already unlocked on their end and advise me to go to OnePlus support.
     
    #1

  2. JefferyHoward
    Cupcake Sep 17, 2021

    #2

  3. GiaXue
    Cupcake Sep 22, 2021

    GiaXue , Sep 22, 2021 :
    I did get an error 255. T-Mobile try to re-push the unlock on their end and getting message device already unlocked.


    [​IMG]
     
    #3

  4. sri369c
    Cupcake Sep 24, 2021

    sri369c , via OnePlus Nord N10 5G , Sep 24, 2021 :
    I have had this issue on my wife's N100. Just call up TMobile again and tell them to whitelist. Their initial push to unlock got me also the same 255 error when I locking. I was persistent with 3-4 reps and finally was able to get it unlocked.
    Just to note, my other N100 (I have 3 one plus phones) got unlocked without even needing to call T-Mobile support.
     
    #4

  5. H1632466015223
    Cupcake Sep 26, 2021

    H1632466015223 , Sep 26, 2021 :


    SAME ISSUE. NETWORK IS UNLOCKED BUT STILL SAYS LOCKED AND NEEDS TOKEN
     
    #5

  6. sri369c
    Cupcake Sep 26, 2021

    sri369c , via OnePlus Nord N10 5G , Sep 26, 2021 :
    Tell TMo to check with their technical team. On the third attempt the rep created a ticket and told me it would take 72 hours. But I got a call back within 48 hours and this time when I tried it readily unlocked.
     
    #6

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