Cómo desbloquear AT & T Samsung Galaxy S III I747 LTE?

Samsung Galaxy S III I747 LTE Overview :
AT&T’s Samsung Galaxy S III comes with a 4.8 inch Super AMOLED display with a resolution of 720×1280 pixels, and a 28nm dual-core 1.5GHz Qualcomm Snapdragon S4 processor. The integrated on-chip LTE means you get support for the carrier’s new 4G network. The AT&T SGS III is also among the first US phones to feature 2GB of RAM.

Samsung Galaxy S III I747 LTE Sim Unlocking :
Unlock AT&T Samsung Galaxy S III I747 LTE to use any where in the world with any supported service provider like

Optus Australia Brasil, Straight talk, FamilyMobile, Vodafone, Personal, Claro, O2, Digicel, Telcel, Orange, Telenor, Optus, Tele2, MTN Rogers, Fido, Chatr, Bell, Virgin, Sasktel, MTS, PC telecom, Tbaytel, Telus, Koodo

Only at


http://www.WorldGSMCodes.com/

Click here to buy Unlock code

Samsung Galaxy S III I747 LTE Unlocking instructions:
1: Turn on phone with Not Accepted SIM card.
2: A menu will pop up to Insert the code.
3: Insert the provided code and press OK
4: Device is now unlocked.

———- Trouble Shooting ———-
a. Go to the Dial pad and dial *#197328640#
b. Please click on number [1] UMTS > [1] Debugging screen > [8] Phone Control > [6] NETWORK LOCK
c. You will see 3 options
d. Please click on number [1] Perso Sha256 INFO, the screen will change slightly
e. Please hit the MENU button then when the menu pops up please carefully hit BACK to return to the previous screen
f. Please click on number [2] Perso Sha256 ON, the screen will change again to a one line message
g. Restart the phone on the screen by holding the power button and click RESTART
h. When the phone prompts for the unlock code simply enter the unlock code
i. Your phone is now permanently unlocked!

How to Factory Reset/ Hard Reset Samsung Galaxy S III I747 LTE:
How to Reset Samsung Galaxy S III I747 LTE pattern lock:

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.

First Method:

  1. In order to turn off the cell phone hold the Power key for a while.

  2. Afterwards press and hold together: Volume Up + Home + Power button.

  3. You can release held keys when the Samsung Logo appears on the screen.
  4. Then select “Wipe data / Factory reset” using Volume buttons to navigate and Power button to confirm.

  5. Choose “Yes — delete all user data” to confirm the whole operation.

  6. In the next step select option “Reboot System Now“.

  7. Well done! The hard reset has just been performed.

Second Method:

  1. Start by turninng on the device.
  2. From the Home Screen go to Menu and then to Settings.
  3. Tap Backup & Reset and then Factory data reset.
  4. In the next step choose Reset phone.
  5. To confirm your choice select Erase everything.
  6. That’s all. The hard reset is done.

How to Update Samsung Galaxy S III I747 LTE to latest Firmware:

  1. Connect your device to your computer using the USB cable. …
  2. Open Kies. …
  3. Click Firmware upgrade to start the upgrade process.
  4. A pop-up message may also display when you connect your device to Kies. …
  5. You will be taken through the backup process to preserve all of your data.

How to Root Samsung Galaxy S III I747 LTE:

WARNING !
You will lose all your data and it is possible that you may brick your device
All described operations you are doing at your own risk.


[h=First Method With PC:]3[/h] Note: Before Start below Steps First Tar File And Odin Download Click Here

And Make-sure Your Mobile Model number, Name,Platform and Build ID etc as on Download file.

Special Note: This method do at your own risk, I’m not responsible for bricking your device (if you done any mistake while following tutorial) .


Step 1:
Power off Mobile. Then hold Volume down Button, home button, and Power buttons together until appears a warning screen.

Step 2:
Click Volume Up Button then connect USB cable from your S3 to your computer.


Step 3:
After unzip Downloaded file above in note link Open Odin.exe (3-v3.07 ) File

Step 4:
If You can see yellow box like below image then it working.. If you cant You should Download Samsung S3
Driver

Step 5:
Click PDA Button And Find Tar File Which Your Download Above Note Link

Step 6:
Click “Start” button after few second Green Box show “PASS!” then Your mobile willreboot.


Step 7:
After Reboot Unplug usb cable Now install SuperSU from splay store and solid file explorer.

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