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 Download Samsung Galaxy S 3 (International) GT-I9300 - ECO - I9300UBUGML1

Download the firmware flash for Samsung Galaxy S 3 (International) with the code is GT-I9300. This firmware for the region with CSC code is ECO (ECO - Ecuador). Please make sure the code is correct. You can check model code in Setting - About, in Download mode or you can find it by flipping your phone or among the things you found in the box. This product PDA version is I9300UBUGML1 and Android version is Jelly Bean(Android 4.3). This firmware size is 922.06 MB.

This firmware is official from Samsung Cloud Server. Of course, we recommend you are using official Samsung tool like Samsung Smart Switch or Samsung Kies. Samfw.com will not responsible for any damage caused by using the files on this website

  • AP VERSION I9300UBUGML1
  • CSC VERSION I9300ECOUGML1
  • ANDROID VERSION Jelly Bean(Android 4.3)
  • BIT (BINARY/U/SW REV.) 0
  • SIZE 922.06 MB  Full Files
  • MD5 3b0bb06443c56564daa71add85e64687
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 How to flash Samsung Galaxy S 3 (International) GT-I9300 firmware

1. Extract (unzip) the Samsung firmware file. Recommended using WinRAR or 7-Zip

2. Download Odin Tool 3.13.1

3. Extract Odin ZIP file

4. Open Odin execute file

5. Reboot Samsung phone in Download Mode (hold Home + Power + Volume Down buttons / hold Volume Down + Bixby buttons then plug-in cable)

6. Connect you Samsung phone and wait until you get a blue sign in Odin

7. Add the 1 file Samsung firmware to AP/PDA or 4 files Samsung firmware (AP/BL/CP/CSC) to it's slots

8. Make sure re-partition is NOT ticked

9. Click the START button, sit back and wait few minutes

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