So you wish to use your phone on another network ? if so you will need to contact the network your phone is currently with asking them for a subsidy unlock code ( sony erricson call this a network control key ) Wiki ref see http://en.wikipedia.org/wiki/Nck . Usually networks will charge you to get this code . You cannot change your imei as it is unique to each and every phone so dont try to enter a code again before you contact your network .
You can try your loal phone repair shop as most of them do unlocking aswell however this will invalidate your warranty and most networks recommend doing this , but to my knowledge there is no way of unlocking a phone without paying for it somehow , but I will have a look round and see if there is anything i can find .
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Do you need a p.u.k code ? if so then you will need to contact your network provider and ask request a puk code who will be able to unlock your phone .
or other code can you post more info ?
riz.
SOURCE: Sony Ericsson K800i Problem
Contact vodafone for the NCK. Explain that you are going abroad and want to use local Pay as you go sims to keep costs down. They may do it for free for you.
By the way.
If there is anyone cloning phones reading this thread then your phone can now be cloned. DO NOT EVER list your IMEI number on an open thread.
SOURCE: Sony Ericsson K800i Cellular Phone WITH 3
try www.mobile2mobile.net or take it to a mobile center to have it unlock for a small fee.
SOURCE: unlock code with o2 network
I have nokia 6600 hand set .I have been already install Ultra mp3 .at this time permanatly ask serial key.
But i don't have idea for this so plz give me solution.
SOURCE: Unlock code for Sony Ericsson K800i
I require an unlock code for a sony ericsson k800i. Can you help please?
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the phone is not blocked but locked to network and requires the input of nck code to remove the lock you try.
<**< enter this text string and it will put you through to a personalized menu i just have network with a locked padlock next to it. its cos of this lock making my phone useless unless i enter the correct nck code.harmfully I can only try 5 times then it will lock me out for ever unless someone can explain how to change my imei number.
i replied to your solution. it can be seen above your one
but thats just the problem I dont want to pay for the code!!!! SODS LAW I KNOW>
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