Errors periodically appear in the Android operating system.
Some installed applications do not open.
Some programs from the Play Market do not start.
The phone restarts or shuts down by itself.
The phone slows down a lot during operation.
You have decided to try a different version of Android.
Where can I find the firmware?
On the official website of your 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 all personal information: contacts, photos and transfer it to another computer.
Insert an SD card into the gadget. It must have enough memory for the firmware.
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.
Find and download the archive with Firmware. 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.
At the first start, you need to give consent to future manipulations, as well as consent to granting the Superuser rights to the application. Check the checkboxes and press 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, click on the 'Select Device' drop-down list, and select 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.
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.
Now press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
The recording process is very fast, and upon completion, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Copy the firmware and other necessary files to the SD card.
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, it is recommended to clear the 'Cache' and 'Data' sections. This will delete all user data from the device, but avoid a wide range of software errors and other problems. You must press 'WIPE' on the main 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 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 damaged files during recording.
The procedure for writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: Size: 82.0 mm x 165.0 mm x 8.2 mm; Aspect Ratio: 16: 9; Weight: 210 g; Usable surface: 73 %; Materials: Metal; Colors: Black Gold Rose-gold; Origami: Print 3D Model; Diagonal: 6"; Screen Type: LCD IPS; Screen Resolution: 720 x 1280 px (HD); Density: Medium Density, 245 Pixels per inch differentiable less than 40 cm away; Others: 2.5D curved glass screen, Capacitive, Color LED Notifications, Multi-touch; Operating System: Android 7.0 Nougat; Model: MediaTek MT6737 (1.3Ghz); CPU: 4x ARM Cortex-A53 1.3 GHz; Type: Quad-Core; Frequency: 1.3 GHz; 64 Bits: Yes; GPU: ARM Mali-T720 MP2 550MHz; RAM: 2 GB; Antutu score: 23.000 Overall performance better than 31% of devices; Capac ...
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