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 specialized services on which developers lay out 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 the archive with Firmware and 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.
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.
When the file is loaded, 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 and other necessary 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 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.
You can start flashing. Click the 'Install' button.
The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.
Select the location where you copied the files. Press the 'OK' button.
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: OS: Android 11, HIOS 7.6; Chipset: MediaTek Helio G35 (12 nm); CPU: Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53); GPU: PowerVR GE8320; Type: IPS LCD; Screen Size: 6.52 inches, 102.6 cm 2 (~81.8% screen-to-body ratio); Resolution: 720 x 1600 pixels, 20:9 ratio (~269 ppi density); Card slot: microSDXC; Internal: 64GB 4GB RAM, 128GB 4GB RAM; Dual: 48 MP, AF Secondary unknown camera; Features: Quad-LED flash; Video: 1080p@30fps; Single camera: 8 MP; Features: Dual-LED flash; Video: 1080p@30fps; Loudspeaker: Yes; 3.5mm jack: Yes; Sensors: Fingerprint, accelerometer, proximity; Type: Li-Po 6000 mAh, non-removable; Dimensions: 164.8 x 76.1 x 9.5 mm (6.49 x 3.00 x 0.37 in); SIM: Dual SIM ...
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