Download Guide

Samsung Galaxy S3 GT-I9300 Stock ROM

We recommended to use firmware version from your own region.
To check phone version you can follow two way :

• Tap or Type *#1234#
• Go to Setting - About Phone - see Baseband version

Please flash the phone carefully and follow flashing or upgrade procedures / tutorial, and of course do it with your own risk.
 
Samsung Galaxy S III  I9300UBUGNB1 Android 4.3 Jelly Bean Peru PET Stock ROM

Filename	I9300UBUGNB1
Region	Peru PET
CSC	I9300PETUGNB1
OS Version	Android 4.3 Jelly Bean
Release Date	2014 , April
Download	Download  |  Mirror
Additioanl info	Model : GT-I9300 PDA :  I9300UBUGNB1  CSC : I9300PETUGNB1 MODEM : I9300UBUGMK1
File Size	906 Mb

I9300UBUGNB1 Android 4.3 Peru PET Stock ROM Download

Samsung Galaxy S3 GT-I9300 Stock ROM

We recommended to use firmware version from your own region.
To check phone version you can follow two way :

• Tap or Type *#1234#
• Go to Setting - About Phone - see Baseband version

Please flash the phone carefully and follow flashing or upgrade procedures / tutorial, and of course do it with your own risk.
 
Samsung Galaxy S III  I9300XXUGNB5 Android 4.3 Jelly Bean United Kingdom ORA Stock ROM

Filename	I9300XXUGNB5
Region	United Kingdom ORA
CSC	I9300ORAGML2
OS Version	Android 4.3 Jelly Bean
Release Date	2014 , April
Download	Download  |  Mirror
Additioanl info	Model : GT-I9300 PDA :  I9300XXUGNB5  CSC : I9300ORAGML2 MODEM : I9300BVUGNB2
File Size	883 Mb

I9300XXUGNB5 Android 4.3 United Kingdom ORA Stock ROM Download

Samsung Galaxy S3 GT-I9300 Stock ROM

We recommended to use firmware version from your own region.
To check phone version you can follow two way :

• Tap or Type *#1234#
• Go to Setting - About Phone - see Baseband version

Please flash the phone carefully and follow flashing or upgrade procedures / tutorial, and of course do it with your own risk.
 
Samsung Galaxy S III  I9300XXUGNB5 Android 4.3 Jelly Bean United Kingdom TMU Stock ROM

Filename	I9300XXUGNB5
Region	United Kingdom TMU
CSC	I9300TMUGML2
OS Version	Android 4.3 Jelly Bean
Release Date	2014 , April
Download	Download  |  Mirror
Additioanl info	Model : GT-I9300 PDA :  I9300XXUGNB5  CSC : I9300TMUGML2 MODEM : I9300BVUGNB2
File Size	882 Mb

I9300XXUGNB5 Android 4.3 United Kingdom TMU Stock ROM Download

Samsung Galaxy S3 GT-I9300 Stock ROM

We recommended to use firmware version from your own region.
To check phone version you can follow two way :

• Tap or Type *#1234#
• Go to Setting - About Phone - see Baseband version

Please flash the phone carefully and follow flashing or upgrade procedures / tutorial, and of course do it with your own risk.
 
Samsung Galaxy S III  I9300UBUGNL1 Android 4.3 Jelly Bean Brazil ZTO Stock ROM

Filename	I9300UBUGNL1
Region	Brazil ZTO
CSC	I9300ZTOUGNK2
OS Version	Android 4.3 Jelly Bean
Release Date	2014 , December
Download	Download   Need register for first time download here Or login here
Additioanl info	Model : GT-I9300 PDA :  I9300UBUGNL1  CSC : I9300ZTOUGNK2 MODEM : I9300UBUGNK1
File Size	975 Mb

I9300UBUGNL1 Android 4.3 Brazil ZTO Stock ROM Download