Flash firmware on Google Pixel 4a 5G
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How to flash Google Pixel 4a 5G?
Why reinstall the firmware?
Errors start to appear in the operating system.
Some applications stop opening.
Some programs from the Play Market do not start.
The phone restarts or shuts down by itself.
The phone began to work slowly.
The OS does not match the system requirements of the smartphone.
Where can I find the firmware?
On the official website of the manufacturer.
On specialized resources where users post custom or official OS.
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 information about your smartphone model.
Fully charge your device's battery.
Find and download the 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.
In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.
On the main screen of the application, select 'Select Device', and find 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.
After downloading the image file, go 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.
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.
Copy the required files to the SD 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. We open the menu, select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.
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.
Now you can start flashing. Click the 'Install' button.
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..
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.
The completion of the firmware installation procedure is indicated by the inscription 'Successful'.
Summary: Operating system: Android 11; Processor: Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver); Chipset: Qualcomm SDM765 Snapdragon 765G (7 nm); GPU: Adreno 620; Internal memory: 128GB 6GB RAM; External memory: No; Type: OLED, HDR; Size: 6.2 inches, 95.7 cm 2; Resolution: 1080 x 2340 pixels, 19.5:9 ratio; Protection: Corning Gorilla Glass 3; Body build: Glass front (Gorilla Glass 3), plastic back, plastic frame; SIM: Nano-SIM and/or eSIM; Dimensions: 153.9 x 74 x 8.2 mm (Sub-6) or 8.5 mm (Sub-6 and mmWave); Weight: 168 g (5G Sub-6); 171 g ( 5G Sub-6 and mmWave) (5.93 oz); Colors: Just Black; 2G Network: GSM 850 / 900 / 1800 / 1900; 3G Network: HSDPA 850 ...
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