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Flash firmware on Casper Via P3

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How to flash Casper Via P3?


Why reinstall the firmware?

Errors begin to appear in the Android operating system.

Some applications stop opening.

Some programs from the Play Market do not start.

The phone turns off for no apparent reason.

The phone began to slow down a lot.

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





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?

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.

Find out the exact model of your smartphone.

Fully charge your device's battery.

Find and download the 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 need to give consent to future manipulations, as well as to give consent to granting 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, the 'Select Device' drop-down list is available, in which you need to find and select the device model for installing the recovery.

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. Click 'OK'. The TWRP installation procedure can be considered complete.

Copy the required files to the SD card. Using a PC or laptop card reader, it will be much faster.

Insert a memory card into the device.

To reboot in recovery, it is convenient 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 tap 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.

Everything is ready to start flashing. Press 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..



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.

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





Summary: OS: Android 9.0 Pie; CPU: Cortex-A53; CPU frequency: 2000.0 MHz (4-core); Chipset: MediaTek Helio P60; GPU: ARM Mali-G72; GPU frequency: 800.0 MHz (3-core); RAM Memory: 3 GB; Display: LCD IPS Color (16M), 720x1520 px (5.86") 287ppi; Touch screen: yes; Built-in memory: 32 GB; Memory card: microSDXC max. 256 GB; Camera: 12.78 MPx; Resolution: 4128 x 3096 px; Flash: LED; Autofocus: yes; Diaphragm: f/2.0; Diaphragm: f/2.2; Optical zoom: no; Digital zoom: yes; Second camera: 7.99 Mpx; Resolution: 3264 x 2448 px; Bluetooth: 4.2; EDGE: yes; GPRS: yes; GPS: yes; A-GPS: yes; LTE: LTE-FDD: 800, 850, 900, 1800, 2100, 2600, LTE-TDD: 1900, 2300, 2500, 2600; GSM: 850 900 1800 1900; HSDPA: 850 900 1900 21 ...

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