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[Q] Sim Unlock Codes - How?

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24th August 2014, 01:33 PM   |  #1  
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Let me just start off by saying I have tried everything (free) under the sun to unlock my S3 (I9300). I have learnt more in the last 2 days about my phone than I have in the past 2 years of owning it. From rooting and trying unlock apps to downgrading and trying the service mode glitch, I've tried it. It is more of a quest at this point. I would have paid to unlock it by now if it wasn't for my stubbornness.

From what I understand, since I am on version 4.3 and have EFS v2 (with no EFS v1 backup), there is no way to network unlock my phone without getting an unlock code from my network or a website, both of which require payment.

I can understand how the network is able to get an unlock code but what I don't understand is how various websites can 'calculate' unlock codes for my device, especially without the device at hand.

In theory, why can't I calculate the unlock codes myself? If I can, how?
24th August 2014, 08:51 PM   |  #2  
boomboomer's Avatar
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No, codes aren't calculated -they come from a database that you can't access. Give up and buy a code.
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