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GT-I9300

(GALAXY S ?) DOWNLOAD FIRMWARE: I9300UBUGNB1

Firmware Details:
Model: GT-I9300 / GALAXY S ?
PDA/AP Version: I9300UBUGNB1
CSC Version: I9300PETUGNB1
Bootloader/ BL: I9300UBUGNB1
Region: PET / Peru
Carrier/Brand: Claro Peru
OS: Android / Jelly Bean
OS Version: 4.3
Build Date: 06/02/2014
Security Patch Level: N/A
Changelist: 2505561
CRC: 1987875945
Size: 907.76 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