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GT-I9300

(GALAXY S ?) DOWNLOAD FIRMWARE: I9300ZCUBML1

Firmware Details:
Model: GT-I9300 / GALAXY S ?
PDA/AP Version: I9300ZCUBML1
CSC Version: I9300CHNBML1
Bootloader/ BL: I9300ZCUBML1
Region: CHN / China
Carrier/Brand: OPEN
OS: Android / Jelly Bean
OS Version: 4.3
Build Date: 04/12/2013
Security Patch Level: N/A
Changelist: 2222515
CRC: 643447379
Size: 938.45 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