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Flash firmware on Samsung i9250 Galaxy Nexus (32Gb)

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How to flash Samsung i9250 Galaxy Nexus (32Gb)?


Why reinstall the firmware?

Errors constantly appear in the Android OS.

Some applications stop opening.

Many programs from the Play Market do not start.

The phone shuts down and restarts for no apparent reason.

The phone started to work slowly.

You are not satisfied with the possibilities of the stock firmware.





Where can I find the firmware?

On the official website of the manufacturer.

On specialized services on which developers lay out custom or official OS.


What should be done before installing the firmware?

Back up your contacts and user data and transfer it to another medium.

Insert SD card. An SD card is needed to write firmware to it.

Determine your smartphone model.

Fully charge your device's battery.

Download the archive with Firmware and 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 the firmware, as well as agree to grant the application Superuser rights and click the 'OK' button.

In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.

TWRP

On the main screen of the application, click 'Select Device', 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 file is loaded, return to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Select the file downloaded in the previous step.

After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK'.

When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure is now complete.

Write the firmware and other necessary files to the SD card. Using a PC or laptop card reader, it will be much faster.

Insert a memory card into the phone.

To reboot into recovery, you need to enter the menu accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Select 'Reboot' and then click on the 'REBOOT RECOVERY' button.





Firmware via TWRP

TWRP

Before flashing, you need to delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.

You can start flashing. Click the 'Install' button.


TWRP

The file selection screen is displayed. At the very top is the 'Storage' button, select the location where the firmware file is located.

Select the location where you copied the files. Press the 'OK' button.



TWRP

Find the file we need and click on it. A screen opens with a warning about possible negative consequences, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged files when writing to the phone's memory sections.

The procedure for flashing the phone will begin, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.

After the firmware installation procedure is completed, the 'Successful' message appears on the screen.





Summary: Type: smartphone; Band: 3G (UMTS), GSM 900, GSM 1800, GSM 1900; Platform: Android; Operating system: Android 4.0; Number of processor cores: 2; CPU frequency: 1 200 MHz; RAM: 1 024 MB; Dimensions (H/L/W): 135.5x68x8.9 mm; Weight: 135 g; Color screen: yes; Screen Type: AMOLED; Screen Size: 4.65; Screen Resolution: 720x1280 px; Touch screen: yes; Accelerometer: yes; Gyroscope: yes; Light sensor: yes; Proximity sensor: yes; Camera: yes; Number of megapixels: 5; Autofocus: yes; Flash: yes; Flash type: dioda; Front-facing camera: yes; Number of megapixels of front camera: 1.3; Video resolution: 1920x1080; Frame rate for video recording: 30 Frames/sec; Bluetooth: yes; B ...

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Samsung i9250 Galaxy Nexus (32Gb)