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Flash firmware on Google Pixel 3

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How to flash Google Pixel 3?


Why reinstall the firmware?

Errors periodically appear in the Android operating system.

Some applications will not open.

Some applications from the Play Market do not start.

The phone restarts by itself for no reason.

The phone started to work slowly.

You have decided to try a different version of Android.





Where can I find the firmware?

On the official website of the manufacturer.

On sites where users post custom or official OS.


What should be done before installing the firmware?

Create a backup copy of user data and transfer it to your computer.

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

Find out the exact model of your smartphone.

Charge your phone fully. If the battery runs out during boot, the device will no longer turn on. It will be difficult to restore it.

Find and download the archive with Firmware. And place it on the SD card.





Installing TWRP Recovery

Install the Official TWRP App from the Play Store on your phone. And run this application.

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 on the 'Select Device' drop-down list, and select your phone model.

After selecting the phone, the program will redirect the user to a web page to download the corresponding image file of the modified recovery environment. Download the proposed *.img file.

After downloading the image file, go to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Then we tell the program the path where the file loaded in the previous step is located.

Click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK' in the question window.

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

Copy the firmware and other necessary files to the SD card.

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

TWRP

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

Press the 'Install' button to start the flashing.


TWRP

The file selection screen is displayed. At the very top is the 'Storage' button, which allows you to switch between types of memory.

Select the location where the files were copied.



TWRP

Select the firmware file 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 completing the installation procedure, a 'Successful' message appears on the screen.





Summary: Performance: Octa core; Display: 5.5" (13.97 cm); Storage: 64 GB; Camera: 12 MP; Battery: 3000 mAh; Ram: 6 GB; Sensors: Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope; Fingerprint sensor: Yes; Quick charging: Yes; Operating system: Android v8.0 (Oreo); Sim slots: Single SIM, GSM; Sim size: SIM1: Nano; Network: 4G: Available 3G: Available, 2G: Available; Fingerprint sensor: Yes; Loudspeaker: Yes; Fm radio: No; Chipset: Qualcomm Snapdragon 835 MSM8998; Graphics: Adreno 540; Processor: Octa core (2.45 GHz, Quad core, Kryo 280 1.9 GHz, Quad core, Kryo 280); Architecture: 64 bit; Ram: 6 GB; Display type: AMOLED; Pixel density: 401 ppi; Scre ...

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