Errors in the Android OS start to appear regularly.
Some applications stop opening.
Some programs from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone began 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 official Internet resource of the phone manufacturer.
On sites where third-party developers and phone manufacturers 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 SD card. An SD card is needed to write firmware to it.
Find information about your smartphone model.
Charge your phone fully.
Find and download the archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Install the Official TWRP App from the Play Store on your phone.
When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, 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 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.
Press the 'FLASH TO RECOVERY' button and confirm your choice.
When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.
Copy the firmware and other necessary files to the SD card.
Insert a memory card into your 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 many problems. press 'WIPE' on the home screen.
Now you can start flashing. Click the 'Install' button.
The file selection screen appears. 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. 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 corrupted files when writing to the phone's memory sections.
The procedure for flashing the phone will begin, 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: Chip: MediaTek MT8392; Process technology: 28 nm; CPU: ARM Cortex-A7; CPU bits: 32 bit; Instruction set: ARMv7; Level 1 cache memory (L1): 32 KB + 32 KB; Level 2 cache memory (L2): 1024 KB; CPU cores: 8; CPU frequency: 1700 MHz; GPU: ARM Mali-450 MP4; GPU cores: 4; GPU frequency: 700 MHz; RAM capacity: 2 GB; Operating system (OS): Android 4.4.2 KitKat; SIM card type: Micro-SIM (3FF - third form factor, since 2003, 15.00 x 12.00 x 0.76 mm); Number of SIM cards: 1; Type/technology: TFT; Diagonal size: 8 in; Width: 6.4 in; Height: 4.8 in; Aspect ratio: 1.3334: 3; Resolution: 2048 x 1536 pixels; Pixel density: 320 ppi; Color depth: 24 bit16777216 colors; Display area: 73. ...
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