Errors periodically appear in the Android operating system.
Apps won't open.
Many programs from the Play Market do not start.
The phone turns off for no apparent reason.
The phone started to work slowly.
You have decided to try a different version of Android.
Where can I find the firmware?
On the website of your 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 SD card. An SD card is needed to write firmware to it.
Find out the exact model of your smartphone.
Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.
Download the archive with Firmware and place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App to your phone from the Play Market. And install this app.
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 on the 'Select Device' drop-down list, and select 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 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.
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 SD memory card into the 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. Open the menu and select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button.
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.
Press the 'Install' button to start the flashing.
On the file selection screen, 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.
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, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: Operating System: Android 10; CPU: Quad-core CPU (4x1.80 GHz Cortex-A53); Chipset: Mediatek MT6761D Helio A20 (12 nm); GPU: PowerVR GE8320; Size: 6.08 inches, 96.7 cm2 (~80.3% screen-to-body ratio); Display Type: IPS LCD capacitive touchscreen, 16M colors; Resolution: 720 x 1560 pixels, 19.5:9 ratio (~282 ppi density); RAM ROM: 3 GB; Card Slot: Yes, up to 128 GB via microSD card; Camera Sensor(s): Main: 13 MP, f/1.8 Depth: 2MP 2MP Macro; Camera Type: Triple Lenses; Camera Features: Autofocus Geotagging Panorama HDR Touch focus Face detection Self-timer Scene mode; Video Resolution: 1080p@30fps; Camera Sensor(s): 8-megapixel front camera; Camera Type: Single Lens; Camera Features: ...
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