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Flash firmware on Lava Z61s

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How to flash Lava Z61s?


Why reinstall the firmware?

The operating system keeps getting errors.

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 began to slow down a lot.

You want to update the firmware, as it does not suit you in terms of functionality.





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 all personal information: contacts, photos and transfer it to another 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. 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 need to give consent to future manipulations, as well as to give consent to granting 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.

TWRP

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

When 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 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

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 appears. 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.



TWRP

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 flashing the phone will begin, this is 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: Operating System: Android v9.0 (Pie); Processor: Quad core, 1.4 GHz; RAM: 2 GB; Custom UI: Star OS; Internal Memory: 16 GB; Expandable Memory: Yes, Up to 128 GB; Screen Size: 5.0 inches (12.7 cm); Resolution: 480 x 854 pixels; Display Type: IPS LCD; Aspect Ratio: 16:9; Pixel Density: 196 ppi; Touch Screen: Yes, Capacitive Touchscreen, Multi-touch; Resolution: 5 MP Primary Camera(1.12µm pixel size); Camera Features: Digital Zoom; Image Resolution: 2592 x 1944 Pixels; Flash: Yes, LED Flash; Video Recording: 1280x720 fps; Resolution: 2 MP Primary Camera(1.12µm pixel size); Network: 4G , 3G, 2G; Bluetooth: Yes, v4.2; GPS: Yes with A-GPS; VoLTE: Yes; Wi-Fi: Yes, Wi-Fi 802.11, a/b/g/n; Wi ...

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Lava Z61s