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GT-I9100G

(GALAXY S ?) DOWNLOAD FIRMWARE: I9100GZQLT5

Firmware Details:
Model: GT-I9100G / GALAXY S ?
PDA/AP Version: I9100GZQLT5
CSC Version: I9100GOZHLT5
Bootloader/ BL: I9100GZQLT5
Region: CHN / China
Carrier/Brand: OPEN
OS: Android / Jelly Bean
OS Version: 4.1.2
Build Date: N/A
Security Patch Level: N/A
Changelist: 973591
CRC: NULL
Size: N/A

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