VIP PRICE POLICY
Loading phone unlock code data Loading
REGISTER Lost your password ?
Step 2/4 : Provide your IMEI & E-Mail
  1. Select your device
  2. Provide your IMEI & E-mail
  3. Confirm & Payment
  4. Confirmation

Order the Unlock Code of your Samsung Galaxy S3 (GT-i9300)

Important: Select the Network your Samsung Galaxy S3 is originally from. Do NOT select the network you want to use.

When I order an Unlock Code for my Samsung Galaxy S3, what will I receive?

We provide you with the Unlock Code to permanently unlock your Samsung Galaxy S3.

 

In case your Samsung Galaxy S3 requires multiple Unlock Codes, all Unlock Codes necessary to unlock your Samsung Galaxy S3 are automatically sent to you.

 

We also provide detailed instructions on How To Unlock your Samsung Galaxy S3. In most cases the procedure is very easy:

 

Our Support Team is there to help with any questions you may have, please feel free to contact us anytime!

How to Unlock Samsung Galaxy S3?

The method:

NOTE: Make sure that Samsung Galaxy S3 PROMPTS for the code with a NON accepted sim card and that your IMEI is correct by dialing *#06#.

 

  1. Go to the Dial pad and dial *#197328640# .
  2. Please click on number [1] UMTS > [1] Debugging screen > [8] Phone Control > [6] NETWORK LOCK.
  3. You will see 3 options.
  4. Please click on number [1] Perso Sha256 INFO, the screen will change slightly.
  5. Please hit the MENU button then when the menu pops up please carefully hit BACK to return to the previous screen.
  6. Next Please click on number [2] Perso Sha256 ON, the screen will change again to a one line message.
  7. Restart Samsung Galaxy S3 on the screen by holding the power button and click RESTART.
  8. When Samsung Galaxy S3 prompts for the unlock code, simply enter the unlock code provided to you.
  9. Your Samsung Galaxy S3 is now permanently unlocked!

 

 

Update 24 August 2013: If you trouble to enter code and/or if code is not accepted, then please follow the instructions below :

NOTE: Make sure that Samsung Galaxy S3 PROMPTS for the code with a NON accepted SIM Card and that your IMEI is correct by dialing *#06#.

 

  1. Go to the Dial pad and dial *#197328640# .
  2. Please click on number [1] UMTS > [1] Debugging screen > [8] Phone Control > [6] NETWORK LOCK.
  3. You will see 3 options.
  4. Please click on number [1] Perso Sha256 INFO, the screen will change slightly.
  5. Please hit the MENU button then when the menu pops up please carefully hit BACK .
  6. (to return to the previous screen).
  7. Please click on number [2] Perso Sha256 ON, the screen will change again to a one line message.
  8. Restart Samsung Galaxy S3 on the screen by holding the power button and click RESTART.
  9. When Samsung Galaxy S3 prompts for the unlock code simply enter the unlock code provided to you.
  10. Your Samsung Galaxy S3 is now permanently unlocked!

Any suggestion? Want to help us improve our Guideline to unlock Samsung Galaxy S3 ? or those are not accurate ? Please contact us

Other names for Samsung Galaxy S3

  • Samsung i9300
  • Samsung Galaxy S III
  • Samsung GT-I9300

UnlockBase is an incorporated company, we've been unlocking cell phones for
20 years now and strives to provide the best service for our clientele.

Cell Phone Unlocking protected by McAfee Secure Comodo SSL Certificate is certifying security for phone unlocking

All products, and company names, logos, and service marks (collectively the "Trademarks") displayed are registered® and/or unregistered trademarks™ of their respective owners. UnlockBase is not associated with or sponsored by Samsung. The authors of this web site are not sponsored by or affiliated with any of the third-party trade mark or third-party registered trade mark owners, and make no representations about them, their owners, their products or services.

Why Purchase From Us?

Best Phone Unlocking Choice
  • Permanent Factory Unlock
  • Full Permanent Unlock (All Levels)
  • 100% Money back guarantee
  • 24/7 Customer support team
  • Fastest turnaround of delivery
  • Simple instructions provided
  • Rated 4.9 out of 5 from 14984 reviews

Our Last 4 Certified Reviews

  • Haris Ali on 12/09/2024
    Maybe some carriers are not able to be unlocked but my Sony Xperia 1 mark 3 soft bank version got unlocked in half day.They provided me the code within a day it worked.I am so Much Happy. Trust you Guys (unlockbase).
  • Trey on 12/07/2024
    After years of not being able to unlock my phone, I did some searching for a platform that would permanently unlock my phone and wasn't sketchy. Unlock base had good reviews and offered PayPal as a means of payment which meant if I wasn't satisfied I was guaranteed a refund! The whole process was easy and I would recommend to anyone w/ locked device.

  • Jaroslav Hala on 12/06/2024
    BEST OF BEST!!! ABSOLUTLY!!!??? ONLY THIS COMPANY HELPS ME UNLOCK MY LOCKED IPHONE 15 PRO MAX ON T-MOBILE USA AND ALSO FOR BEST PRICE ON MARKET!!! ALL WAS PERFECT AND I AM SUPERHAPPY WITH THIS UNLOCK? I ALSO RECOMMEND THIS WEB TO 1 SERVICE COMPANY IN MY COUNTRY(CZECH REPUBLIC,EU) WHICH ALSO WAS LOOKING FOR REAL WORKING UNLOCKING COMPANY FOR IPHONES,BECAUSE LOT OF THOSE ARE FAKE OR CHEATERS. THIS IS ABSOLUTLY THE BEST OF BEST!!!
  • Jayro on 12/04/2024
    Parece dar todo la información correcta, eso espero, así que por el momento daré 4 estrellas, si todo sale bien con el desbloqueo regresaré para un mejor comentario