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Forum Discussion

OkieBobby's avatar
OkieBobby
Guide
Mar 15, 2020
Solved

How to get the unlock code prompt on AT&T Nighthawk MR1100

I have a AT&T Nighthawk MR1100 through OTR Mobile. They are switching to T-Mobile based service so I had to get the unlock code and a T-Mobile post paid SIM. When I put the T-Mobile SIM in and power i...
  • JohnPeng's avatar
    JohnPeng
    Mar 17, 2020

    If you can connect to T-Mobile network without entering the code, your device was unlocked.

     

    Thanks

Robert8685's avatar
Robert8685
Guide
Jun 10, 2020

Update: Successfull unlocked.

 

After OTR mobile released the AT&T number associated with my MR1100, approximately 48 hours, the AT&T unlock portal accepted my request to unlock via IME number.  Then 48 hours later it was approved and i was sent an unlock code and instructions.   Putting in a new sim card shows the modem locked, access the MR1100 admin page gives me the option to enter an unlock code and submit and it was accepted.  Unsure if one needs to do so every time the sim is changed or not.

 

No need to pay a third part many dollars to get software that will not even work as dc-unlocker.