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Flash firmware on Videocon Infinium Z45 Nova Plus

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How to flash Videocon Infinium Z45 Nova Plus?


Why reinstall the firmware?

Errors constantly appear in the Android operating system.

Some applications stop opening.

Many applications from the Play Market do not start.

The phone turns off for no apparent reason.

The phone began to slow down a lot.

You are not satisfied with the functionality of the stock (official) firmware.





Where can I find the firmware?

On the official website of the manufacturer.

On Internet resources where users post custom or official OS.


What should be done before installing the firmware?

Back up your contacts and user data and transfer it to your computer.

Insert an SD card into your phone to write the firmware to it.

Determine your smartphone model.

Fully charge your device's battery.

Download archive with Firmware.





Installing TWRP Recovery

Install the Official TWRP App via the Play Market. And run this application.

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.

In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.

TWRP

On the main screen of the application, click on the 'Select Device' drop-down list, and select 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, return 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 necessary files to the SD memory card. Using a PC or laptop card reader.

Insert a memory card into the device.

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

TWRP

Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.

Now you can start flashing. Press 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 you copied the files.



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 writing files to the phone's memory will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.

After completing the installation procedure, a 'Successful' message appears on the screen.





Summary: Operating System: Android v4.4.2 (Kitkat); SIM Slot(s): Dual SIM, GSM+GSM; Network: 3G: Available, 2G: Available; Dimensions: 131 (H) x 66 (W) x 8.9 (T) mm; Weight: 138 grams; Colours: Black White; Screen Size: 4.5 inches; Screen Resolution: 480 x 854 pixels; Pixel Density: 218 ppi; Display Type: IPS LCD; Touch Screen: Capacitive Touchscreen, Multi-touch; Chipset: Spreadtrum SC7731; Processor: Quad core, 1.2 GHz, Cortex A7; Graphics: Mali-400 MP2; RAM: 1 GB; Internal Memory: 8 GB; Expandable Memory: Up to 32 GB; Resolution: 5 MP; Sensor: Back-illuminated sensor (BSI); Flash: LED Flash; Image Resolution: 2592 x 1944 Pixels; Settings: ISO control; S ...

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