GSM-Forum - I cant input unlock code to Lumia 900

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gge	12-04-2012 19:22

I cant input unlock code to Lumia 900

Hi
I need to unlock my Lumia 900 from ATT but I dont know how to input the unlock code, when I put a wrong card it says "sim error".
I have try with ##782# but nothing.
Thanks

gsmfathersuport

12-05-2012 06:31

1. Switch ON your phone with a non accepted simcard
2. Phone will ask you to Enter Unlock Pin
3. Input the 8 digit Unlock Code

gge	12-05-2012 17:01

Quote:

Originally Posted by gsmfathersuport (Post 8990225)

1. Switch ON your phone with a non accepted simcard
2. Phone will ask you to Enter Unlock Pin
3. Input the 8 digit Unlock Code

I tried but it doesn´t ask me for unlock codes.
It just says "sim error or unsuported"

Thanks

MR MOB

11-09-2013 06:31

Quote:

Originally Posted by gge (Post 8992064)

I tried but it doesn´t ask me for unlock codes.
It just says "sim error or unsuported"

Thanks

yess same problem here how to inter unlock code

gsmfathersuport

11-09-2013 11:40

Quote:

Originally Posted by MR MOB (Post 9864935)

yess same problem here how to inter unlock code

I had already given you, how to enter lumia codes.

:::GsmFather:::

11-11-2013 15:54

you should try hard reset first.

Turn off your Nokia Lumia 900. Press and hold the following buttons Camera + Volume down + Power until your phone vibrates, then release only the Power key and keep pressing the Camera + Volume down for a couple of seconds 4-5s.

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