I've payed off my S8+ and have been told by Sprint it's showing unlocked on their end but I still get invalid sim when I insert T Mobile SIM. Also getting UICC unlock internal error 407.
I am having the same issue with my Lg LS997 has been unlocked and verified by sprint but the device show invalid sim car, will not perform the UICC unlock when I do it I get "error authentication please try again" please help me , i put other sim, or i need put a sprint sim card for this process?
You'll want to do it with the Sprint sim in it to complete the unlock. Once you've done that you can put in your new sim.
Don't works, i am outside of the United States, the Sprint Sim is out of service, still show " error authentication please try again later" in PRL, PROFILE, UICC
Send me a PM with the IMEI so I can take a look at this phone and see what's going on.
Good morning team,
I've got two Samsung devices which should be SIM Unlocked by now. Under UICC I see a message saying that the phone is unlocked for any SIM. However, I get error 407.
Could you please help me out.
Also, I followed the # # 72786 # # now Im getting a message saying that I need to register my device. I do NOT want to register it since I want to be able to use it with ANY other carrier.