1st code - Network code (Network PIN)
2nd and 3rd codes are SP codes (Service Provider PIN)
4th LAST code is the Simblock/Reset code (In case if your phone is Hardlocked)
THUS Unlock is 100% Guaranteed even if you blocked the counter before
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Note! Some phones can have only 1 Code which is the Network code
These phones do not require Simblock/Reset or SP codes to be unlocked
Example Huawei U7519, G6620, G7210 etc