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How to check carrier network lock status on your Samsung Galaxy S, S2 and S3 cellphone

Exactly same cellphone handsets are available in market as an carrier-locked contract bound device and as an fully unlocked sim-lock free version. If you like to know the lock status of your Samsung Galaxy S, Galaxy S2 or Galaxy S3 - just type-in the "special secret code" as demonstrated ahead.

Network Locked

The special-code *#7465625# or *#SIMLOCK# to display various lock status information, works on all Samsung Galaxy cellphones and should also work on other Samsung Android handsets.

Samsung Sim Lock Status Code

The result will be this, displaying all the relevant lock status in-effect with that device.

Network Lock Status Information

Comments

Samsung had an update on it, doesn't work on SGS3 latest firmware.

works well .. on my Samsung Ace 2

All display OFF, my question is: an firmware update can change this status ?

It is not working in my GALAXY I9003 and GALAXY T989

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