Errors in the operation of the Android OS begin to appear.
Some applications stop opening.
Some programs from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone started to work slowly.
You want to update your firmware.
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 your SD card into your phone. An SD card is needed to write firmware to it.
Remember your smartphone model.
Charge your phone fully.
Find and download the archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Download and install the Official TWRP App from the Play Market.
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, select '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, press 'OK'.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. 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 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. Press 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.
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, 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: Type: smartphone; Band: LTE, 3G (UMTS), GSM 900, GSM 1800, GSM 1900; Platform: Android; Smart Phone OS: Android 6.0; Processor: Qualcomm MSM8953; Number of processor cores: 8; CPU frequency: 2 000 MHz; GPU: Adreno 506; RAM: 4 096 Mb; Internal RAM: 64 GB; Memory Card Slot: yes; Memory card support: microSD (TransFlash), micro SDHC, micro SDXC; Year of issue: 2016; Height: 152.6 mm; Width: 77.4 mm; Depth: 7.7 mm; Enclosure type: classic; The number of SIM-cards: 2; SIM: Micro-SIM+nano SIM; Fingerprint: yes; Water resistant: no; Shock-resistant enclosure: no; Color screen: yes; Curved screen: no; Screen type: IPS; The number of screen colors: 16 777 216; Screen Size: 5 ...
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