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Flash firmware on Asus ROG Phone 3 ZS661KS

  Mobiles >> ASUS >> Asus ROG Phone 3 ZS661KS
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How to flash Asus ROG Phone 3 ZS661KS?


Why reinstall the firmware?

Errors start to appear in the operating system.

Some applications stop opening.

Some applications from the Play Market do not start.

The phone restarts for no reason.

The phone slows down a lot during operation.

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 sites where users post custom or official OS.


What should be done before installing the firmware?

Back up your phone's user data.

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. And place it on the SD card.





Installing TWRP Recovery

Download the Official TWRP App from the Play Market. And install it.

At the first start, you need to give consent to future manipulations, as well as consent to granting the Superuser rights to the application. Check the checkboxes and press 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, 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. 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.

The recording process is very fast, and upon completion, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.

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

Insert a 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

TWRP

Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. This will delete all user data from the device, but avoid a wide range of software errors and other problems.

Now 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 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 writing files to the device's memory will begin, accompanied by the appearance of inscriptions in the log field and the completion of the progress bar.

The completion of the firmware installation procedure is indicated by the inscription 'Successful'.





Summary: Operating system: Android 10, ROG UI; Processor: Octa-core (1x3.1 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585); Chipset: Qualcomm SM8250 Snapdragon 865 (7 nm ); GPU: Adreno 650; Internal memory: 128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM; External memory: No; Type: AMOLED capacitive touchscreen, 1B colors; Size: 6.59 inches, 106.6 cm 2; Resolution: 1080 x 2340 pixels, 19.5:9 ratio; Protection: Corning Gorilla Glass 6; Body: RGB light panel (on the back) Pressure sensitive zones (Gaming triggers); Body build: Glass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frame; SIM: Dual SIM (Nano-SIM, dual stand-by); Dimensions: 171 x 78 ...

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Asus ROG Phone 3 ZS661KS