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GT-I9300

(GALAXY S ?) DOWNLOAD FIRMWARE: I9300XXUGML3

Firmware Details:
Model: GT-I9300 / GALAXY S ?
PDA/AP Version: I9300XXUGML3
CSC Version: I9300OLBGML3
Bootloader/ BL: I9300XXUGML3
Region: XSP / Singapore
Carrier/Brand: OPEN
OS: Android
OS Version: 4.1.2
Build Date: 26/12/2013
Security Patch Level: N/A
Changelist: 2303192
CRC: 665263885
Size: 921.9 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