Errors in the Android OS start to appear regularly.
Some applications do not open, reinstalling which does not lead to a positive result.
Many applications from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone started 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 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 SD card. An SD card is needed to write firmware to it.
Find information about your smartphone model.
Fully charge your device.
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.
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 'Select Device', and find your phone model.
After selecting a phone, the application will direct the user to a web page to download the modified recovery environment image file. Download the proposed *.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 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 is displayed. At the very top is the 'Storage' button, which allows you to switch between types of memory.
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, 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: OS: Android (4.0.4); Dimensions: 8 megapixels; Flash: Dual LED; Features: Back-illuminated sensor (BSI), Autofocus, Digital zoom, Geo tagging, High Dynamic Range mode (HDR); Camcorder: 1920x1080 (1080p HD); Recording format: MPEG4, H.263, H.264; Features: Video calling; Front-facing camera: 1.3 megapixels; Video capture: 1280x720 (720p HD); System chip: Huawei K3V2; Processor: 1024 MB RAM; Built-in storage: 8 GB; Storage expansion: microSD, microSDHC up to 32 GB; Capacity: 2600 mAh; Music player: ; Filter by: Album, Artist, Playlists; Features: Album art cover, Background playback, Dolby Mobile, SRS 5.1 Surround Sound; Supported formats: MP3; Video playback Supported format ...
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