Another test subject, Samsung GT-I9100, had to be upgraded to the latest official firmware. Unfortunately, the latest official for this device based on Android 4.1.2, for the most part the firmware is excellent, not counting that the manufacturer loves to cram branded "trash" into them. It is not so difficult to flash the official firmware, only it will be required:
- Charge the device to capacity, that is, 100%, do not neglect the charge, in the firmware mode it eats the charge in buckets;
- Install drivers for Samsung "s they are in Kies, but also separately;
- You will need an Odin flasher;
- Well, the firmware itself;
After installing the driver, turn off the phone, hold down the volume down button, the central button is ok and turn it on, after receiving a warning, press up, the phone goes into download mode. You should see a picture like this
For single file firmware
The ID: COM item should display 0: in my case 0: you may have a different one. The Auto Reboot and F.Reset Time checkboxes should be checked, then select our single-file firmware with the PDA button. Click Start. At the end of the process above 0: inscription on a green background PASS! in the log All threads completed. This indicates the completion of the firmware, your device will reboot and turn on, while the data in the phone will remain.
This method is recommended only for updating the official firmware version !!! Do not use single file firmware to downgrade or upgrade, also not recommended for switching from custom firmware to stock (official) firmware
For three-file firmware
Press the PDA button, select the CODE_XXXX file, then Phone, select MODEM_XXXX, CSC, select the CSC_XXXX file, (where XXXX is the phone model in this case, I9100) after click Start
Samsung recently released Jelly Bean 4.1.2 OTA update for Galaxy S2 GT I9100... If you haven't received a new one ROM, you can install it manually by reading this guide.
3. Unpack the update files and install Odin on a PC.
4. Run Odin and turn off your smartphone.
5. Reboot to download mode ( download mode).
6. To do this, press and hold the following buttons: Volume down, Center and Power.
7. Connect S2 to a PC using a USB cable.
8. Go to Odin... Program section ID: COM should be yellow or blue, and you should see a message with the text " added".
9. Otherwise, you should close one, disconnect the smartphone from the PC, reinstall the drivers and try again.
10.In Odin select " PDA"and find .tar file.
11. If the service pack contains more files, then for " CSC"you must choose CSC file for " PHONE" - Modem file for " PIT" - .pit file.
13. After the completion of the process Odin should issue a message with the text " pass".
14. Now you can restart your smartphone after disconnecting it from the PC.
15. If during the installation of updates Odin frozen, you must close the program, disable USB cable, reload S2, reinstall the drivers and repeat the entire procedure from the beginning.
16. If the smartphone freezes when loading, then you must turn it off, boot into recovery, choose " wipe data factory reset"and" wipe cache partition"followed by" +++ go back+++ "and" reboot system now"and try again.
That's all. Now you know how to install the new version of the operating system for the Galaxy S2.
The international version of the Samsung Galaxy S2 has not received updates from the manufacturer for a long time, but we were able to find the official Android 4.1.2 ZSLSE firmware. The firmware is not tied to any operator, that is, it works on an international smartphone model and has Chinese language packs. In order to take advantage of this update, you need to have an unlocked Galaxy S2 and follow the step-by-step instructions carefully.
Before downloading the necessary materials, you need to check your smartphone - you need ClockworkMod installed.
Now, let's note the changes in the firmware: you will receive an updated TouchWiz interface, as well as Project Butter, an improved lock screen, S-Cloud, Direct Call, Smart Stay and Pop-up Play. If you have a truly international Galaxy S2, you'll also get 50GB of DropBox, multiple desktops and an improved Google Now, and a new notification bar.
This firmware is for the international version of Samsung Galaxy S2 GT-I9100 ONLY!
To install the update, pre-charge the batteries to at least 85%, and also enable the item in the "USB Debugging" settings. Check it out in the settings in the developer menu.
Do not forget that installing the official update will remove the previously obtained root rights and then you will have to try to get superuser rights again.
Do not forget that you act only at your own peril and risk, as we do not accept any responsibility for all your actions. If an unforeseen situation occurs, then all the fault lies solely with you.
The instructions are presented ONLY for informational purposes.
Instructions for installing Android 4.1.2 update on Galaxy S2 GT-I9100 (ZSLSE):
- Step 1.Download the Android 4.1.2 ZSLSE firmware file for Galaxy S2 to your computer (the file is available for download at the end of the manual).
- Step 2.Download Odin v1.85, which you need to install the update.
- Step 3.Turn off your phone and restart it in download mode by pressing and holding the volume buttons and the Home button. Press the Power / Power button until the Android robot icon and triangle appears. Press the POWER button again to enter download mode.
- Step 4.Launch ODIN on your computer and connect your phone to it while it's in download mode.
- Step 5.While your Galaxy S2 is connected to your computer, you will see the ID: COM displayed in yellow with the corresponding COM port number - this process can take a few minutes!
- Step 6.Select the files you want to install - you can find them among those extracted from the archive that you downloaded in the first step.
Check the PDA item and select the file with the extension .tar or.md5.
Check the Phone box and select the MODEM file. If you do not see this file among the unzipped files, skip this step.
Check the box next to CSC and select the CSC file. Again, if this file is missing, skip this step.
Check the PIT item and select the .pit file. You can also skip this item if you did not receive a similar file from the archive - Step 7.Turn on the item "auto-reboot" and "F reset time" in the ODIN program. If in the sixth paragraph you marked the file with the .pit extension for installation, then you must also check the box "re-partition".
- Step 8.Press the START button in ODIN and the installation will automatically continue. The process may take several minutes.
- Step 9.Once the installation is complete, your Galaxy S2 will reboot itself. Once you see the home screen, disconnect your Galaxy S2 from your computer and you can check for the Android Jelly Bean update installed.
Files to install Android 4.1.2 Jelly Bean on Samsung Galaxy S2 GT-I9100:
Instructions for installing the official single-file firmware on Samsung Galaxy S2 (GT-I910x).
Drivers and programs
Attention!
Installation instructions
Unpack the downloaded archive into the Odin PC folder for convenience. The file in the ".tar" or ".tar.md5" format must be kept and "SS_DL.dll" can be deleted.
Reset device data.
To do this, go to the settings on the tab “ Accounts"In the section" Archiving and reset", Select the item" Reset device"And press the button" Delete everything". The phone will restart.
Run Odin PC as administrator.
Put the device into download mode ( Download Mode).
To do this, simultaneously hold down the Volume Down key, the Home button and the Power button. Then wait until the phone restarts and accept the warning by pressing the Volume Up key.
In this state, connect the smartphone to the computer. Odin should light up the inscription “ COM».
Press the button " AP»And select the TAR-archive of the firmware.
Items " Auto reboot"And" F.Reset Time" must be activated, and " Re-Partition", If active - must be disabled.
Press the button " Start". The process of installing the firmware will begin.
about the end of the operation, if everything went well, the message “All threads completed. (succeed 1 / failed 0) ". The phone must be rebooted manually by holding down the power button until the screen turns off. The device may take up to 5 minutes to boot up for the first time.
ATTENTION!
If the device does not boot for a long time or the data has not been reset, it must be performed from recovery.
To do this, simultaneously hold down the Volume Up key, the Home button and the Power button. After downloading, select the item " Wipe data / Factory reset", and then - " Reboot system now". If after these steps the device also freezes at startup, you must reflash it again.
A detailed description of the process of flashing a mobile phone Samsung Galaxy S2 GT-i9100 with all necessary firmware files and an official bootloader.
What you need to flash Samsung Galaxy S2
- Odin3 v1.85 firmware loader program
- Latest firmware files
- i9100XELPQ (March 2012) single file Android 4.0.3
- i9100XELPM (July 2012) single file Android 4.0.4
- i9100XELPW (August 2012) single file Android 4.0.4
- i9100XWLPW (August 2012) service 3 file Android 4.0.4
- i9100XELQ3 4.0.4
- i9100XXLSJ (November 2012) single file Android 4.1.2
- i9100XELSS (April 2013) Single File Android 4.1.2
- File with firmware markup u1_02_20110310_emmc_EXT4.pit
- Modified kernel files for installing ROOT
- Micro USB cable supplied with the phone
- Phone Samsung Galaxy S2 GT-i9100
Preparing to flash Samsung Galaxy S2
To start the process of changing the software, you must enter the phone into the appropriate mode, called “Download mode” or firmware mode. To do this, you need to press the buttons on the switched off phone:
"Volume down" + "OK button" + "Power on"
And wait for the appearance of the "green man" in the good sense of the word
Samsung Galaxy S2 phone firmware
Writing a single file.md5 firmware image
Recently, all firmware updates for the Samsung Galaxy S2 GT-i9100 phone are presented as one file with the .md5 extension. Often difficulties arise with this, and in vain, because everything is much simpler. One-file firmware is practically no different from a multi-file one, perhaps with greater simplicity. The settings of the Odin3 v1.85 flasher with this firmware are as follows:
In the program settings, select the following:
- put a check mark on Re-Partition, Auto rebootand F. Reset Time
- choose PITfile u1_02_20110310_emmc_EXT4.pit with firmware metric
- unpack the firmware and select the firmware file I9100XXLPQ_I9100OXXLPD_I9100XXLPQ_HOME.tar.md5 into category PDA
Everything is ready, you can safely press the button Start to start the firmware process.
The correct firmware log should look something like this:
Installing ROOT on GT-i9100 with firmware 4.0.3
To set root rights, we need to write a file with a modified kernel for our firmware. In our case, we installed the I9100XX firmware LPQ and to install ROOT you need a modified kernel file for firmware LPQ CF-Root-SGS2_XX_XEO_LPQ-PROPER-v5.4-CWM5. After you have downloaded the required file, unzip it to any folder, there should be a file CF-Root-SGS2_XX_XEO_LPQ-PROPER-v5.4-CWM5.tar
In the Odin program settings, select the following to install the modified kernel:
- put a check mark only on Auto reboot and F. Reset Time
- select the PIT file u1_02_20110310_emmc_EXT4.pit with the firmware metric
- unpack the modified kernel CF-Root-SGS2_XX_XEO_LPQ-PROPER-v5.4-CWM5.tar and substitute it into the category PDA
We connect the phone in firmware mode and press Start
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