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Flash firmware on Lava S890

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How to flash Lava S890?


Why reinstall the firmware?

Errors constantly appear in the Android OS.

Some applications do not open, reinstalling which does not lead to a positive result.

Some applications from the Play Market do not start.

The phone restarts or shuts down randomly.

The phone started to work slowly.

You are not satisfied with the possibilities of the stock firmware.





Where can I find the firmware?

On the official website of the phone manufacturer.

On sites where users 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.

Determine your smartphone model.

Fully charge your phone battery.

Find and download the archive with Firmware. And 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.

On the next screen, select 'TWRP FLASH' and give the application root rights.

TWRP

On the main screen of the application, click 'Select Device', and select 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.

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 enter the menu accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Select 'Reboot' and then click on the 'REBOOT RECOVERY' button.





Firmware via TWRP

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.

You can start flashing. Click the 'Install' button.


TWRP

The file selection screen is displayed. 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.



TWRP

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.

After the firmware installation procedure is completed, the 'Successful' message appears on the screen.





Summary: Announced: Jan, 2013; Box Content: Charger, USB Cable, Headset; Shades: Black, Blue, White; Operating system: Android; Languages: English; CPU: Cortex A9 Dual core 1.2GHz; Rear Camera: 8.0 MP; Camera Resolution: 3264x2448 pixels; Front Camera: no; GeoTagging: no; Face Detection: no; Smile Detection: no; Auto Focus: no; Camera Flash: LED; Primary Camera: NA; Display Colours: 262000; Touchscreen: yes; Display Resolution (H): 960 pixels; Display Resolution (V): 540 pixels; Display Size: 5.0 inch; SenseUI: no; Multi-Touch: no; Handwriting Recognition: no; Scratch Resistant: no; Display Type: IPS; Call Log: Yes; Memory Card: micro SD card, Up to 32 GB; Phonebook Capacit ...

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