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Solution

Samsung S6 "SIM network PIN blocked. Enter SIM network PUK"

NeilHepworth
3: Seeker
3: Seeker

I see lots of people having the same problem as me and just wondering how best to get the phone MCK/Defreeze code?

 

The problem arose when I transferred my S6 to my daughter who is not on Vodafone, when we entered her SIM it requested a SIM network pin, not knowing what this was I tried various pins and eventually managed to lock that dialog and now get

 

"SIM network PIN blocked. Enter SIM network PUK"

 

Eventually figured out that the original prompt was for a network unlock code but too late as phone know locked and needs what prompt calls "SIM network PUK" which is very unfortunate as each time you phone customer services they either

 

  1. Suggest you enter the NUC - which you cant because that option is now blocked by the earlier mistakes.
  2. Tell me to contact the SIM provider as the SIM is blocked and needs a PUK to unlock it - which isnt true as SIM works fine in other phones - I have tried and it doesnt work - suspect just poor terminology  by Samsung would have been better not to request SIM network PUK when they really want the MCK/Defreeze/Master Control Key

Anyhow, now I know I need to enter the MCK/DEFREEZE code first and then enter the NUC.  But obtaining the MVK seems to be causing me and other posters problems.  What is the best way to do this, customer services told me to go to a shop (see this doesnt work for most people), contact customer services (dont know what the error is about), use nucresolutions (10 days and still waiting for their response),  only reliable way seem to be getting it unlocked by 3rd party provider but dont see why Vodafone cant sort quickly!

 

Any thoughts on who best to contact/phrasing to use to get them to supply this code?

 

Cheers

 

Neil

 

 

51 REPLIES 51

Tash
Moderator (Retired)
Moderator (Retired)

We can help with unlocking this for you @WW85. As we no longer have access to accounts from our Community, please send our team a message on Facebook or Twitter. Please ensure your Community username and a link to your post is included in your message as the team will be able to help with your query quickly and you won't need to repeat yourself :Smiling:

Hi Natasha,

 

Not only did I need to repeat myself, I was asked if i needed a PUK and have been left with no response for over an hour.

 

W

TJ
Community Manager (Retired)
Community Manager (Retired)

I've not been able to find your conversation on our social channels @WW85 - did you comment with your username? Has someone been back in touch since you last contacted us? 

Hi i wonder if you can help. I have the exact same problem. Vodafone locked my phone and cancelled my sim card because i hadnt uaed it dor 90 days. I got an NUC code but didn't work as i has no sim card. I got a new PAYG sim and waited 30 days then the PUK worked but getting the message that i need sim network puk. Really been struggling since November. Thanks 

 

Tash
Moderator (Retired)
Moderator (Retired)

@Michelherr We can get your phone unlocked! So we can help, please drop our team a message through our Facebook or Twitter pages. If you include your Community username and a link to your post, you won't need to tell us your query again :Thumbs_Up:

Sorry to resurrect an old thread but I have the exact same issue also. 
have tried sending a pm to a mod but it won’t let me saying I have reached my message limit despite never sending one lol. 

Hi there, don't waste your time with vodafone, they are useless. I tried everything with them but no luck. Finally, i went to ebay and spend £8.99 and got the fix in few hours. Type the below in ebay search if you are willing to spend on it. Good luck

[Removed]

 

 

 [MOD EDIT: This post has been edited to remove inappropriate content please see Community Guidelines]

We don't accept PM's through our community @Thedvdmonster, but i'm sure we can still help with this. It sounds like you need the master code to unlock your phone so it can be used with any network SIM. Pop us a private message through one of our social channels and we'll be more than happy to get this for you 😊

 

Went via Twitter and see nice and responsive. 
just waiting for the final code now. 

That's good to hear @Thedvdmonster and thanks for the update. As soon as your request has been actioned, the team will get the code across to you by e-mail 🙂