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GT-I9300

(GALAXY S ?) DOWNLOAD FIRMWARE: I9300XXUGOF1

Firmware Details:
Model: GT-I9300 / GALAXY S ?
PDA/AP Version: I9300XXUGOF1
CSC Version: I9300OXXGOF1
Bootloader/ BL: I9300XXUGOF1
Region: TPH / Portugal
Carrier/Brand: OPEN
OS: Android
OS Version: 4.1.1
Build Date: 15/06/2015
Security Patch Level: N/A
Changelist: 2836504
CRC: 627238769
Size: 939.62 MB

This firmware also works for:

You will download the app that will download the latest version of the firmware. Why should you use this app instead of download directly?

How to flash your phone with the new firmware?  How to update SAMSUNG device? How to change firmware in your device?

Click here to read the article about installing downloaded software