After using the smartphone for a long time, in some cases it is necessary to upgrade its software. This will help to increase the speed of work and significantly update the system, somewhat diversify the functions of the device (it depends on the type of firmware used). Galaxy S3 is one of the most popular smartphones of its time. However, not all its owners know how to flash Samsung Galaxy S3.
What should be considered before starting the firmware?
In order for the changes made to the software to be useful, you need to consider the following nuances of the process. Before flashing the Galaxy S3, you need to make sure that the battery is more than 50% charged. It is also worth considering that worn-out power supplies will not be able to hold the smartphone for the required amount of time in the on state. Therefore, firmware must be carried out on a device with a good power supply.
Before making changes to the software, you must save all the necessary files from the phone. This is due to the fact that they can be removed during the installation of the firmware. In addition, copying the necessary new files will require a certain amount of free virtual space. You should not forget about the phone book in the phone’s memory, as there is a possibility of data loss.
Firmware Galaxy S3 can be carried out by almost any smartphone owner who has the skills to work on a laptop computer. But at the same time, you must follow all the rules of the procedure.
Software prerequisite
You will need the following programs:
1. Odin PC.
2. Recovery clockwork.
3. Firmware for
Samsung Galaxy S3.
4. Samsung drivers.
5. A set of "Google" applications.
After all the software has been downloaded and installed, you can proceed directly to installing the software.
What can interfere with work?
Before you begin, you need to disable the antivirus program. This is due to the fact that some files that will be used by programs when installing the firmware can be identified by antivirus as malicious information. In this case, it will block the operation of the programs. Many users know how to flash Samsung Galaxy S3 with antivirus on a computer: temporarily suspend protection or add used folders and programs as an exception - there are many ways to limit the work of such software.
After fulfilling the above not so difficult, but mandatory and extremely important conditions, you can continue to prepare for installing the firmware on your Galaxy S3 phone.
Software installation
For work, you will need Samsung drivers that will recognize your smartphone, as well as the Odin PC program. The process of installing them is no different from installing ordinary utilities and software: you need to follow all the recommendations and select the necessary items. These programs are necessary and required to carry out the intended work. In order to figure out how to flash Samsung Galaxy S3 without them, you need to have more in-depth knowledge of programming, and also have a good understanding of the phone system itself.
Phone preparation
To start the firmware, you need to transfer the phone to Download Mode:
1. Turn off the phone completely.
2. Simultaneously press and hold the “Power”, “Volume Down” and “Home” keys for some time. This
shortcut will load a special menu.
3. After that, a warning appears, at which you should press the "Volume Up" key.
4. An image of a green robot should appear in the center of the screen, which will indicate the inclusion of the required mode.
This item is required. Only in this case is it possible to make changes to the phone software and prepare it for installing a new firmware. A similar menu should appear when you hold down the above keys on all original devices of this model.
Setting root rights to make changes
In order to establish root-rights, you need to run the previously installed Odin program. In the window that appears, click “PDA”, then look for a file called “CF-Auto-Root”, after which you can connect the phone to a personal computer. When connected, the ID: COM field should turn blue. If everything went well, you can click on the “Start” virtual key. The rutting process is usually fast. After its completion, “RESET” should appear, and the phone will automatically reboot in the mode of changing root rights. Next, the smartphone needs to be rebooted in normal mode, after which it can be disconnected from the computer. Routing is necessary for the possibility of changing the software, which is prohibited by the manufacturer.
Installation of "recovery"
In order to perform this item, you need to enter the smartphone into Download Mode, for which we perform the above process. Next, run the Odin program. We connect the phone again to the computer through the original cable, press the "Start" key. After the process is complete, the phone should reboot.
Firmware installation
In this paragraph, you can directly find out how to flash Samsung Galaxy S3, since the previous steps were only a preparatory stage.
The whole process is divided into the following main points:
1. Turn on the phone.
2. Connect it to the computer in the drive mode for data exchange.
3. Copy the firmware and set from Google to the internal memory. It is worth remembering that you need to copy all the files.
4. Turn off the phone.
5. After a complete shutdown, hold down and hold down the “Power”, “Volume” and “Home” keys at the same time.
6. After the loaded recovery, you need to do wipes.
7. Install the firmware as follows: type Install zip from sdcard and find the firmware, type Install zip from sdcard and find the set from "Google".
8. Reboot the phone.
If the whole process was performed correctly, the loading animation should appear on the screen. In this mode, the device will boot with the new firmware. It is impossible to flash the Chinese Samsung Galaxy S3 without a set of standard software from the phone manufacturer, but for such devices you can find other firmware and how to install them.
If some of the above recommendations for installing new software were not followed, then there is a chance of losing old software. Therefore, during the work you need to be careful, because if the installation of the firmware was started, then it must be completed without fail. Otherwise, the smartphone will not work.
Fifth generation
If you became the proud owner of the Galaxy S5, we note that the process of flashing it is not much different from the above. It is worth saying that during the firmware, user information (settings, as well as programs) are not deleted - everything that was on the smartphone will be saved there after the device’s firmware is finished. Remember that if the firmware is unsuccessful, the device cannot be restored without the help of specialists. To avoid such problems, a number of conditions must be observed. First of all, you need to make sure that the smartphone is fully charged. After that, we check the wire through which the firmware will be conducted for operability. We will make sure that the personal computer with which the firmware process will be carried out functions correctly and does not give out “Blue screens”, does not turn off, does not restart. We carefully study the instructions, only then proceed to the firmware process. The computer will complement the UPS, which is capable of working for at least twenty minutes with blackout.