Flash firmware on Kyocera Gratina
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How to flash Kyocera Gratina?
Why reinstall the firmware?
Errors begin to appear in the Android operating system.
Some installed applications do not open.
Many programs from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone started to work slowly.
You are not satisfied with the functionality of the stock firmware.
Where can I find the firmware?
On the official Internet resource of the phone manufacturer.
On specialized services where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of user data, contacts and photos 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 phone battery.
Find and download the archive with Firmware.
Installing TWRP Recovery
Download and install the Official TWRP App from the Play Market.
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.
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 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.
When the file is loaded, you need to 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.
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.
Copy the required files to the memory card. Using a PC or laptop card reader.
Insert a memory card into your phone.
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
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.
The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.
Select the storage to which the files were copied.
Find the file we need 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 corrupted 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.
The completion of the installation procedure is indicated by the inscription 'Successful'.
Summary: OS: Android 10; Processor: MediaTek Helio P35 MT6765; Processor clock: 2.30 GHz; Number of cores: 8; GPU: PowerVR GE8320 @680 MHz; RAM: 3 GB; Internal memory: 32 GB; Memory cards: yes; microSD, microSDHC, microSDXC (up to 512 GB); Display: Color / IPS TFT; 16M colors; 1080 x 2280 px (5.80") 435 ppi; 75.2% screen-to-body ratio; Display protection: yes; Type: Standard; Photo matrix: 16 Mpx; Resolution: 4672x3504 px; Flash: yes LED; Digital zoom: 4x; Video formats: H.264, MPEG4; Video resolution: 1920x1080; Additional: AF; Type: Portrait; Photo matrix: 8 Mpx; Flash: yes; Digital zoom: yes; Additional: FF; A-GPS: yes; GPS module: yes; Bluetooth: yes v5.0; EDGE: yes; GPRS: yes; IrDA: yes; NFC: y ...
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