Fresh drivers + New USB drivers 1.5.40.0 from 03/21/2014 for Kies 3.2
USB drivers - version1.5.59.0 from 01/08/2016
Drivers version 1.5.63.0 dated 03/01/2017

Samsung Octopus Programmer : Octoplus Samsung.exe (82.14 MB)
Mirror of the program on Ya.Disk

Samsung KIES : Latest version on Samsung website

Odin pc :
Odin3_v3.09_SGSIII.rar(787.97 KB)
Odin3_v3.07_SGSIII.zip(452.87 KB)
Odin3_v3.06.zip(471.75 KB)

Mobile odin : Link to post with a fresh version

Firmware with Odin PC:
Instructions for firmware 1-file firmware
Instructions for firmware 3 file firmware
Instructions for firmware 3-file service firmware

Firmware with Odin Mobile:
1. Instructions for firmware 1-file firmware (From the 3rd paragraph)
2. Instructions for firmware 3 file firmware (From the 3rd paragraph)
3. Firmware via Mobile Odin with all data and programs saved, ROOT, Super User, Mobile Odin

Video instructions: Firmware 4.0.4 , Getting Root on 4.0.4 , Firmware 4.0.4 via Mobile Odin while saving Root and 0 by the counter , Firmware 4.1.1 , Firmware 4.1.1 through Odin and installing Root

Miscellanea :
1. ODIN PC errors and their meaning
2. Detailed instructions for firmware 4.0.4 with preservation of the root, mobile one, enhanced recovery and zero counters
3. We make the PCT analogue from non-PCT
4. Instructions for returning the phone to the factory state
5. Rollback to service 4.0.4. Flashing to 4.1.x with the status "Normal"
6. How to flash a phone from Kies using a serial number
7. Firmware with Heimdall Frontend Heimdall flasher
8. How to install the latest 4.1.2 XXELLA with Russian CSC (cache + hidden)
9. How to flash I9300_CHN (version with Chinese modem) International firmware
10. Fix firmware updates without losing IMEI and network
11. How to flash without a PC

AT : How do I get the Samsung Galaxy S3 I9300 firmware update?
A: There are several options for receiving updates:
1. Wait for the phone to notify you that there are updates for your phone. To do this, in the "Settings" menu ->"About the device" ->"Software Update" checkbox "Auto Update".
2. Install the Samsung Kies program on the Windows computer, connect the phone to the computer and wait for the update notification in the Kies program.
3. With the help of instructions, firmware, tools and explanations presented in the header of this topic. It is very useful to understand the essence of the process.

AT :Where can I download the user manual
ABOUT :By this link

AT :The Russian keyboard is displayed, and prints in English
ABOUT :Decision.

AT :Where can I see the modem version and firmware version?
A: In Settings-About device-The firmware version is the version of the modem (transfer curve from Samsung), the Build number is the firmware version.

AT :How to change regional binding (Sales code, CSC)?
ABOUT :I have 4.0.4

AT :How to check the regional binding (Sales code, CSC), why does the code * # 272 * (your IMEI code) # not work, why does the CSCSelect program not work?
A: On firmware 4.0.4, this information is checked by dialing * # 272 * (your IMEI code) #. On firmware 4.1.1 and 4.1.2, the code * # 272 * (your IMEI code) does not work. This code can be seen in stock recovery (text in yellow, line - Applied the CSC-code: three letters of the code) and in the Kies program in the firmware version at the end in brackets.

AT :When I try to update by air (FOTA), in response, he writes me: Access to the software service is provided to users one by one in the order of request.
A: According to some data (there are reports of a successful update), you can get a FOTA update without a queue early in the morning, around 5-6 am by MSK. If you do not want to wait for the queue, you can update via Kies / Odin PC / Mobile Odin.

AT:Installed 4.1.2, flashing single-file 4.1.1 or 4.0.4, after the firmware Samsung screen saver hangs and then the phone does not boot, what should I do?
A: You will have to do Wipe with everything and Dalvik Cache and Cache and Data / Factory from Recovery, since there are different databases, so take care of saving your data. Just installing over will lead to Bootloop and the phone will not load further. And just resetting it to the factory settings will not help, all Wipe needs to be done from Recovery. Upgrading runs without problems, and downgrading carries some problems that can be solved, but problems В© vasyadubov

AT :How do I remove the root?
A: In SuperSu, on the Settings tab.

AT :Why is the update on OTA not going?
A: With custom recovery there will be no installation of OTA updates. So for the installation of OTA-updates, the recovery is used and there is still no custom recovery working on the stock algorithm with which and only OTA-updates are installed.

AT :How to add languages ​​to enter the firmware 4.1.2, if they are not?
A: "Menu" - "Language and input" - "Samsung keyboard" - "Gear wheel" - "Input languages" - "Available languages"

AT :When changing CSC with CSC Select, the message "preconfigui does not support single csc" appears
Рћ: You have a phone with carrier firmware and a single region, so there is nothing to display, besides, it can be locked under an operator

AT :How to download i9300 Galaxy S3 in Firmware Mode / Download Mod / Download Mode?
Рћ: Loading the device by simultaneously pressing the buttons "Volume down" + "Home" + "Switching on" / "Vol Down" + "Home" + "Power". Exit this menu - long press the "Power" / "Power" button.

AT :How to load I9300 Galaxy S3 into Recovery Mode / Recovery Mode / Recovery Mode / (CWM Recovery / TWRP Recovery, if installed)?
Рћ: Loading the device by simultaneously pressing the buttons "Volume up" + "Home" + "Switching on" / "Vol Up" + "Home" + "Power"

AT :Touchwiz drops when you delete the desktop, everything was fine before the update!
A: ReadFast.

AT :What applications can I remove painlessly from the firmware?
ABOUT :Here is a list(if it saysYes it does not mean that you will not need the application).

AT :I want to get rid of system update notifications, what should I do?
A: The simplest way (Root is required) is to freeze or delete 2 files from / system / app:FotaClient.apk and FWUpdate.apk

AT :How to reset the counters and that the state would be "Normal"
ABOUT :Here is a simple instruction

AT :What is the difference between 1-file, 3-file and 5-file firmware?
A: Mostly the differences are in the content, but the result may differ. 1-file firmware is official, 3-file firmware - service 4.0.4, and 5-file firmware isDetails

AT :What is the SS_DL.dll file for?
A: He is not needed. It can be removed

AT :On 4.1.1 or 4.1.2 the indicator has become dimmer
Oh yeah. This feature 4.1. He now looks at the light sensor and, depending on his data, sets the brightness of the indicator

AT :After the firmware sdcard became sdcard0
A: Starting from 4.1 so for everyone

AT :What Root is needed for my version of Android
A: For 4.0.4 and 4.1.1 CF-Root, Auto-Root, ExynosAbuse. For 4.1.2 CF-Auto-Root

AT :After upgrading to 4.1.1, Flash does not work.
ABOUT :Here is the solution

AT :How to connect the phone as USB flash
A: None.Details

AT :Can I flash my phone with operator firmware?
A: You can.

AT :When sending SMS, the recipient receives one question mark.
A: To send SMS in the SMS settings, set the input mode: Automatic.

AT :After firmware 4.1.1 (4.1.2) in Recovery mode, the robot lies with an exclamation point. What does it mean ?
A: The fact that you have firmware 4.1.1 (4.1.2) and this is stock recovery. Nothing else.

AT :Does stock recovery come in single-file firmware and how can it be restored?
A: Yes, enters. You need to flash it again with your firmware.

AT :How do I replace the font in the phone ?
ABOUT :Link. All questions in the link on the topic.

AT :Where can I find Service Manual?
A: Bby thispost

AT :What should I do if the memory card is not visible from the computer, but does the CWM see it?
A: Decision inby thispost

AT :What is the difference between Odex and Deodex firmware?
ABOUT :This is what.

AT :I put it in one of the Root methods, and no rights are given to applications, and SuperSU applications (or Super User) are not in the program menu
A: You need to put SuperSU from the Market.

AT :Does CF-Auto-Root modify the stock core or not?
A: CF-Auto-Root-m0-m0xx-gti9300 establishes stock recovery from 4.1.2 and adds 3 files to the system in order to obtain root-rights and control the receipt of other root-access programs through SuperSU. It is here called rutovanny stock.

AT :How to enter the "Developer Options" on 4.2.1, 4.2.2 or 4.3?
A: It is necessary in the Menu / Settings / Options / About the device - 7 times to tap on the assembly number and everything will appear.

AT :How to make a wipe?
Рћ: In stock Recovery, make wipe data / factory reset and wipe cache partition.

AT :Tell me how to determine which bootloader is currently installed on the phone?
Рћ: Use the programAndroid System Info. System section, subsection BuildInfos.

AT :After rolling back from the I9300XXEMG4 firmware, the IMEI has flown or changed and there is no possibility to call.Details.
A: The reason is that the new modem in XXEMG4 changes the format of the EFS partition and, when rolled back to earlier versions, IMEI crashes. The solution is to flash XXEMG4 back and IMEI will be restored. Or usesolution with xda

• Root

  Root without a computer:
  Framaroot-1.8.0.apk(1.03 MB)
  Discuss here
  Kingo Android Root
  KingRoot - works on 4.3
  
  Getting Root and Installing TWRP Recovey in Octoplus Octopus Box Samsung!
  
  Root access (With Stock Recovery 3e for 4.0.4-4.2.2): CF-Auto-Root-m0-m0xx-gti9300.zip (12.46 MB)
  Instructions: Windows Linux Mac osx
  
  CF-Root for 4.3 (recovery from XXUGNK1 SER) for Odin
  
  Root access for 4.3 (With Stock Recovery from XXUGNA7) : For OdinPC Suitable for all firmware 4.3.
  CF-Root for 4.3 (Recovery from XXUGOE1 SER) for Odin Suitable for all firmware 4.3.
  
  What are the different ways to get the root?
  
• Deodex, CWM & TWRP Recovery, Modems

  Deodex for stock firmware from SW. zhakevich
  CWM Recovery: Custom recovery with ample opportunities. Link to XDA F.A.Q.
  TWRP Recovery: Custom Touch Recovery with extensive capabilities. Link to XDA GooManager_2.1.2.apk (199.81 KB)
  Replacing CWM Recovery with CWM Touch Recovery: Link to post
  PhilZ Touch Recovery 5.08: Custom recovery with ample opportunities. Link to XDA
  Modems: Modems from 4.0.4 do not fit 4.1.1, 4.1.2 and vice versa . Link to XDA
  Collection of modems from 4.1.2 and 4.3: Link to post
  CWM Manager for 4.1.1: Link to post Instruction
  

What is the difference between firmware for the CIS countries: SER, SEK, RTL, SKZ, CAC?
And what's the point in the "normal" state?
Firmware mode, recovery and how to enter into these modes?
Permissions for files and folders in the EFS folder.
What can be removed from stock applications Samsung Galaxy S III GT-I9300 in firmware from XXBLH1 (4.0.4) to XXUGOE1 (4.3) with the SER region
How to fix md5 sum error in backup
What regional application was added in 4.1.2 for Russia
About CSC and Sales Code
When the serial number starts with 0000 ... and the phone says: No network. The selected network is not available For custom recovery
Where to watch phone status?
Android from the inside or just about complicated
If from the settings menu, perform a reset or do Wipe what will happen to Root
What is the difference Samsung firmware
How Root and Custom Recovery Affect Firmware Updates
For lovers often flash. Possible consequences
Saving firmware downloaded via Kies
How to decipher the name of the firmware
About the features of installing new downloaders
How to check your Galaxy SIII (GT-I9300) for originality
Concerning dances with a sysscope and a "normal" state
What is the difference between the firmware La Fleur and the rest of the stock firmware?
How to remove a message when selecting an update over the air "Your device is changed. There are no updates"
Where does the RAM go?
What to do if your phone does not see the network or writes "No network" "The selected network is not available"
Secret Codes
About the reasons for the rally IMEI
Explanation of the new EFS formatta, patched modems and the lack of mobile communication after updating the firmware
How to enter the "Safe Mode" download
Differences between EFS Versions and Android Versions
Solving the problem with the Internet on 4.3 for Beeline owners
How to remove a translucent Factory Mode window with information about PDA, Phone, CSC, H / W, RF Cal Date, SMD,
Camera firmware(all questions - in the topic of the link).
Russian S-Voice
How to change labels in multi window to 4.1.2:Solution 1 Solution 2(All questions - in the topics on the links).How to activate multi-window?
Getting official stock firmware 4.1.2 SER without regional applications
Stock firmware for Russia with Root. Odex and Deodex
Downgrade to the old Bootloader with the new XXELLA:Method 1 Method 2 Method 3
About SDS (sudden phone death) from tester99 Sudden death fix Ultimate GS3 sudden death thread
Returning the state to "Normal" on a new bootloader and custom recovery and resetting counters
Instructions for "resetting" the counter and getting the status "Normal" using Triangle Away
Change CSC without deleting data (on XDA)(All questions in the link on the topic)
Scripts to clean the phone from the firmware and cores For 4.3
Triangle away. To reset the counter (to the status "Modified" \ "Special" is irrelevant).
Samsung Galaxy S3 Toolkit 7.0andAdb
An application that allows you to use an external ExtSD Card as a USB drive
Upgrading I9300XXLH1 SER (4.0.4) to I9300XXDLK1 SER (4.1.1) as root
Normal condition according to instructions from tester99
How to change the state of the Root phone to "Normal", while maintaining the root
Back up the system (backup) I9300 with / efs from TWRP custom recovery
For those who want to try new firmware 4.1.2 without changing their region
Transition from the old I9300XXELL4 (SER) to the new I9300XXEMA2 (XEF) with a new bootloader
Update official Russian 4.1.2 I9300XXELL4 (SER) to the new official 9300XXEMB2 (SER)
Personal experience on updating from XXELL4 to XXEMB2 from vasom
Firmware update with saving data, settings and, if necessary, resetting counters / status and firmware bootloader
How to flash Bootloader
When trying to turn on, it does not go anywhere and writesFirmware upgrade encountered an issue
How to remove the firmware from Kies
How to find out the region for which issued Samsung Galaxy S3 I9300
How to backup applications and their datawithout Root
How to flash a separate part of any single-file firmware
If you have trouble logging in to recovery
How to solve the problem if the efs folder flies (for those who installed firmware based on EMG4)
How to sign a backup EFS and how to determine from which firmware it is
The official program to raise the "littered" boot
How to find out which version of your EFS backup?
The program untie the smartphone SGSlll from the operator
The program allows you to emulate a USB cable JIG and enter the smartphone in Download Mode.
E: failed to mount / efs (Invalid argument) and how to deal with it!fromshoma_81
Problem resolution: failed to mount / system (Invalid argument)fromLichten
Stock recovery from UGMK6
Unified Android ToolKit v1.2.8 (25th April 2014)
Solving the problem with time zones after 10.26.2014 and the transition to a permanent winter time Method number 2
Incremental update FOTA (throughstock recowery)
Samfirm - utility for quick downloading of official firmware
Reset your pattern, PIN, or screen lock password
Unlock Network (Unlock)