Many applications from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone started to work slowly.
The OS does not match the system requirements of the smartphone.
Where can I find the firmware?
On the official website of your phone manufacturer.
On specialized services on which various developers lay out 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 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 Firmware and 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 the firmware, as well as agree to grant the application Superuser rights and click the 'OK' button.
After moving to the next screen, you need to select the 'TWRP FLASH' item and give the application root rights.
On the main screen of the application, select '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, 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.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure is now complete.
Transfer the firmware and other necessary files to the SD card.
Insert a memory card into your phone.
To reboot into recovery, you need 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 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. 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, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
The completion of the firmware installation procedure is indicated by the inscription 'Successful'.
Summary: Smart Phone OS: Android 9.0 (Pie); Chipset: Mediatek MT6762 Helio P22 (12 nm); CPU: Octa-core 2.0 GHz Cortex-A53; GPU: PowerVR GE8320; Type: IPS LCD capacitive touchscreen, 16M colors; Screen Size: 6.26 inches, 97.8 cm2 (~76.3% screen-to-body ratio); Resolution: 720 x 1520 pixels, 19: 9 ratio (~269 ppi density); Card slot: microSD, up to 256 GB (uses shared SIM slot); Internal: 32 GB, 3 GB RAM; Loudspeaker: Yes; 3.5mm jack: Yes; : Active noise cancellation with dedicated mic; WLAN: Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot; Bluetooth: 4.2, A2DP, LE; GPS: Yes, with A-GPS, GLONASS; Radio: FM radio; USB: microUSB 2.0, USB On-The-Go; Sensors: Fingerprint (rear-mounted), ac ...
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