Flash firmware on Samsung GT-I9270
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How to flash Samsung GT-I9270?
Why reinstall the firmware?
Errors periodically appear in the Android operating system.
Some applications stop opening.
Many programs from the Play Market do not work.
The phone restarts or shuts down by itself.
The phone began to work slowly.
You have decided to try a different version of Android.
Where can I find the firmware?
On the official Internet resource of the phone manufacturer.
On sites where third-party developers post custom operating systems.
What should be done before installing the firmware?
Create a backup copy of all personal information: contacts, photos and transfer it to another computer.
Insert your SD card into your phone. It must have enough memory to fit the firmware.
Find out the exact model of your smartphone.
Charge your phone fully.
Download archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App to your phone from the Play Market. And install this app.
When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, as well as agree to grant the application Superuser rights and click the 'OK' button.
After moving to the next screen, select the 'TWRP FLASH' item and provide the application with root rights.
On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.
After selecting the phone, the application will redirect the user to a web page to download the modified recovery environment image file. Download the proposed *.img file.
When the download is finished, you need to return to the main screen of the Official TWRP App and click on the 'Select a file to flash' button. Select the file downloaded in the previous step.
Now press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.
Transfer the necessary files to the SD memory card. Using a PC or laptop card reader, it will be much faster.
Insert a SD memory card into the phone.
To reboot into recovery, you need to use a special item in the Official TWRP App menu, accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Open the menu and select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button.
Firmware via TWRP
Before flashing, it is recommended to clear the 'Cache' and 'Data' sections. This will delete all user data from the device, but avoid a wide range of software errors and other problems. You must press 'WIPE' on the main screen.
Press the 'Install' button to start the flashing.
The file selection screen appears. At the very top is the 'Storage' button, select the location where the firmware file is located.
Select the storage to which the files were copied.
Select the firmware file and click on it. A screen opens with a warning about possible negative consequences, you need to check the item 'Zip signature verification', which will avoid using damaged files during recording.
The procedure for writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: OS: Android 4.0 Ice Cream Sandwich; Chipset: MediaTek MT6515; CPU Speed: 1 GHz; Primary display: 3.5" 480 x 320 pixels HVGA, 165 ppi; Secondary display: No; RAM: 512 MB; Memory Card: MicroSD, Up to 32 GB; Primary camera: 3.2 MP 2048 x 1536 pixels; Secondary camera: 0.3 MP 640 x 480 pixels; Headphone: Yes 3.5mm; Stand by: Up to 160 h; Talk time: Up to 4 h; WI-FI: Yes 802.11 b/g 0; NFC: No; GPS: Yes; Bluetooth: No; HDMI: No; Hotknot: No; USB: Yes; Infrared: No; Waterproof: No; Dustproof: No; Shock resistant: No; Sensors: Gravity Sensor; Dimension: 111.5 x 60 x 10 mm; Weight: 115 g; SIM: Mini-SIM, Dual-SIM; Colors: black, white; ...
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