Official firmware #2804 for GT-I9300 - SAMSUNGGalaxy S3

Download the latest firmware update for the Samsung Galaxy S3, but don’t forget to check whether the model number of your smartphone corresponds to the indicated one GT-I9300. The firmware code is UPO from PARAGUAY. The product comes with PDA version I9300UBUGNL1, CSC version I9300UVOUGNK1, MODEM version I9300UBUGNK1. The operating system version of the given firmware is Android Jelly Bean 4.3. Full tutorial how to flash stock firmware on Samsung devices here

File name GT-I9300_UPO_1_20150210111640_fjcng7l7k1
Firmware type 4 files
File size 917.33 MiB
Model Samsung GT-I9300
Operating system Android Jelly Bean 4.3
PDA/AP Version I9300UBUGNL1
CSC Version I9300UVOUGNK1
MODEM/CP Version I9300UBUGNK1
Region
UPO
Country
Paraguay
Description Personal, Claro, Movistar, Ancel, Vox, Tigo
Hash 28439d172d5320de573d89239e6d3650

2.Press to download

Instructions

Download to your PC: Odin 3 latest version.
Next extract the firmware file.
You should get 1 (if 1 file, choose it here) or 5 (if 5 file, choose it here) file:
- AP: "System & Recovery"
- CP: "Modem & Radio"
- CSC_***: "Country & Region & Operator"
- HOME_CSC_***: "Country & Region & Operator"
Add all files to Odin 3.
If you want to do a clean flash, use CSC_*** either use HOME_CSC_*** to keep your data and apps.
Now turn off your phone and enter the Download mode. How to do all methods:
- Press and hold the Power key , the Volume UP button and the Bixby key.
- Press and hold the Volume Up and Down keys and then connect a USB cable.
- Press and hold the Power key ,the Volume down button and the Home key.
- Connect a USB cable, then press and hold the Bixby button and the Volume down key.
- Press and hold the Power key and the Volume UP button.
Then connect your device to PC, Odin should detect your phone and COM port number will appear on the screen.
Please specify only the F.Reset time and Auto-Reboot.
Finally press the Start key. Your phone will now restart and disconnect from the PC.

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