How do we unlock a 5 disk home Stereo system, model no. RM-SUXS77U? It has locked itself and we cannot unlock it ? Thank you

NOKIA X RM-980 HARD RESET - YouTube

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https://www.youtube.com/watch?v=p1MvDSvg0eI
Jun 9, 2014 - Uploaded by ??? ????????? ???????.
NOKIA X RM-980 HARD RESET. ... Como desbloquear NokiaLumia 630 Model:RM-977 Pantalla bloqueada Cricket - Duration: 6:32. by ...

Nokia Lumia 635 - How to unlock security lock by hard reset ...

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https://www.youtube.com/watch?v=3HPlTPXQP5k
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Nokia Lumia 635 - How to unlock security lock by hard reset. phone reset ... Unlock AT&T Nokia Lumia 635 (RM-975) - AT&T Unlock Code ..

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• AH, well lets fix that.
  

1. Press "System Menu"
   
2. Press the Up arreo ^ or dowm arrow v repeatedly until "CHILD LOCK" appears.
   
3. Press ^ or v to select a setting for "OFF" or "ON."
   
4. Now press the "+" button and the setting is changed to your selection.
   
5. Press "SYSTEM MENU" again to exit.
   

• To remove a disk while child lock is on
  

1. Press the "eject button" on the remote and press "DISK SKIP" repeatedly until the desired DISK indicator [1-5] lights up.
   

• If you have any comments please feel free to leave them here.
• Hope this helps and thank you for using FixYa.

Regards,Tony

• AH, well lets fix that.
  

1. Press "System Menu"
   
2. Press the Up arrow ^ or down arrow v repeatedly until "CHILD LOCK" appears.
   
3. Press ^ or v to select a setting for "OFF" or "ON."
   
4. Now press the "+" button and the setting is changed to your selection.
   
5. Press "SYSTEM MENU" again to exit.
   

• To remove a disk while child lock is on
  

1. Press the "eject button" on the remote and press "DISK SKIP" repeatedly until the desired DISK indicator [1-5] lights up.
   

• If you have any comments please feel free to leave them here.
  
• Hope this helps and thank you for using FixYa.
  

Regards,Tony

what is Country and Network it restricted now?
You can get the restriction code at here
Theunlockarena.com and Unlock it from Restriction lock.

PLEASE DELEVERED LOCK CODE OR HELP INFORMATION IS ATTACHED
NOKIA 0434
MODEL 2730 c-1
CODE 0590863
TYPE RM-578
IMEI 35605710326597214
FCC ID QTL RM 578

call your local dealership and get the serial code off the radio and have them give it to you

there may be a lock/unlock selection in the menu somewhere, something like a parental lock on tv sets, this is just a thought on my part.

On the unit, press the stop button and the cd eject button at the same time. The screen will say locked still. Release them and press them together again at the same time. The screen will now read unlocked. You can then eject the cd.

cheack the speaker wireing.if thats not the pro i sugg the repair shop your unit could have over heated.