What does SIM network locked mean on the ZTE Concord?

What does it mean when i put my sim card in my zte v768 and it says sim network locked. how do i fix this?



My iPhone4 is locked SIM ,How unlocked my phone ?


It means the SIM card you are using is from a different network other than the network it's currently locked with. You can unlock it by using a code which you can get from phone unlocking websites. Check these websites ➔ Link1 Link2



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