Flash firmware on I Kall Z12 Pro
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How to flash I Kall Z12 Pro?
Why reinstall the firmware?
Errors in the Android OS start to appear regularly.
Apps won't open.
Many programs from the Play Market do not work.
The phone restarts for no 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 website of your phone manufacturer.
On sites where third-party developers post custom operating systems.
What should be done before installing the firmware?
Back up your phone's user data.
Insert your SD card into your phone. An SD card is needed to write firmware to it.
Find information about your smartphone model.
Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.
Download archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App from the Play Market. And install it.
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.
On the next screen, you need to select the 'TWRP FLASH' item and give the application root-rights.
On the main screen of the application, click 'Select Device', and find 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.
When the download is finished, you need to return to the main screen of the Official TWRP App and click on the 'Select a file to flash' button. Select the file downloaded in the previous step.
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.
Transfer the necessary files to the SD memory card. Using a PC or laptop card reader, it will be much faster.
Insert a memory card into the phone.
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
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.
Now you can start flashing. Click the 'Install' button.
On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.
Select the storage to which the files were copied.
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, 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: Smart Phone OS: Android v10 (Q); CPU: Octa core, 1.3 GHz; RAM: 4 GB; Screen Size: 6.53 inches (16.59 cm); Screen Resolution: 720 x 1520 pixels; Display Type: IPS LCD; Display dots per inch: 258 ppi; Touch Screen: Yes, Capacitive Touchscreen, Multi-touch; Bezel-less display: Yes with waterdrop notch; Internal Memory: 64 GB; Expandable Memory: Yes, Up to 64 GB; SIM 1: 4G Bands: TD-LTE 2300(band 40)FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHzGPRS: Available EDGE: Available; SIM 2: 2G Bands: GSM 1800 / 1900 / 850 / 900 MHzGPRS: Available; SIM Size: SIM1: Nano; SIM Slot(s): Dual SIM, GSM GSM; Network Support: 5G, 4G, 3G, 2G; Bluetoo ...
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