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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

It says "Not registered on network". What should I do? The smartphone is from T-Mobile and it was supposed to be unlocked. I am trying to use it with an ATT sim card.

You can check Samsung warranty by IMEI here: https://imeidata.net/warranty/samsung

IMEI: 3564200525xxxx
Serial Number: RV1D53Jxxx
Model: SGH-M919
Unit Model: SGH-M919ZKATMB
Division: Mobile Phone (HHP)
Manufacturer: Tianjin Samsung Telecom Technology
Sold To: U.S.A
Production Date: May 16, 2013
Ship Date: May 16, 2013
Phone Age: 1 Year(s), 7 Month(s), 28 Day(s)
Factory Warranty Coverage: August 16, 2014

its not working in my GT-i9505

so i purchased a while ago a supposedly new other ebay samsung galaxy beam phone. the seller had it as unlocked. now when i received the phone it was set up and everything with his account and there was no sim with ! mark on it in the status bar of the phone.

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