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Flash firmware on Samsung Galaxy A22

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How to flash Samsung Galaxy A22?


Why reinstall the firmware?

The operating system keeps getting errors.

Some installed applications do not open.

Many programs from the Play Market do not work.

The phone turns off for no apparent reason.

The phone started to work slowly.

You want to update the firmware, as it does not suit you in terms of functionality.





Where can I find the firmware?

On the official Internet resource of the phone manufacturer.

On sites where developers post custom or official OS.


What should be done before installing the firmware?

Back up your contacts and user data and transfer it to your computer.

Insert your SD card into your phone. An SD card is needed to write firmware to it.

Determine your smartphone model.

Fully charge your phone battery.

Download archive with Firmware. Place it on the SD card.





Installing TWRP Recovery

Install the Official TWRP App via the Play Market. 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.

After moving to the next screen, select the 'TWRP FLASH' item and provide the application with root rights.

TWRP

On the main screen of the application, click 'Select Device', and find your phone model.

After selecting a device, the application will direct the user to a web page to download the appropriate modified recovery environment image file. Download the suggested *.img file.

After downloading the image file, 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.

Now press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.

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

Write the firmware to the SD card. Using a PC or laptop card reader.

Insert a memory card into the device.

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 the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically..





Firmware via TWRP

TWRP

Before flashing, you need to delete all user data from the phone, this will avoid errors in the software, as well as other problems. Press 'WIPE' on the home screen.

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


TWRP

The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.

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



TWRP

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 flashing the phone will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.

When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.





Summary: Operating system: Android 11, One UI Core 3.1; Processor: Octa-core (2x2.0 GHz & 6x1.8 GHz); Internal memory: 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM; External memory: microSDXC (dedicated slot); Type: Super AMOLED, 90Hz, 600 nits (HDR); Size: 6.4 inches, 98.9 cm 2; Resolution: 720 x 1600 pixels, 20:9 ratio; Body build: Glass front, plastic frame, plastic back; SIM: Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by); Dimensions: 159.3 x 73.6 x 8.4 mm (6.27 x 2.90 x 0.33 in); Weight: 186 g (6.56 oz); Colors: Black, White, Mint, Violet; 2G Network: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only); 3G Network: HSDPA 850 / 900 / 2100; 4G Network: 1, 3, 5, 7, 8, 20, 28, 38 ...

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Samsung Galaxy A22