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GT-I9300

(GALAXY S ?) DOWNLOAD FIRMWARE: I9300XXUGNA5

Firmware Details:
Model: GT-I9300 / GALAXY S ?
PDA/AP Version: I9300XXUGNA5
CSC Version: I93003IEGML1
Bootloader/ BL: I9300XXUGNA5
Region: 3IE / Ireland
Carrier/Brand: 3 (Three) Ireland
OS: Android / Jelly Bean
OS Version: 4.3
Build Date: 16/01/2014
Security Patch Level: N/A
Changelist: 2429075
CRC: 3742932475
Size: 896.37 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