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Flash firmware on Vivo Y15W

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How to flash Vivo Y15W?


Why reinstall the firmware?

Errors periodically appear in the Android operating system.

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

Many programs from the Play Market do not start.

The phone shuts down and restarts for no apparent reason.

The phone is slow.

You have decided to try a different version of Android.





Where can I find the firmware?

On the official website of the phone manufacturer.

On specialized services 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 another medium.

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

Find out the exact model of your smartphone.

Fully charge your phone battery.

Find and download the archive with Firmware.





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 must consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press 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 on the 'Select Device' drop-down list, 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.

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.

After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK'.

After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..

Copy the required files to the memory card. Using a PC or laptop card reader.

Insert a memory card into the 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. 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.

Press the 'Install' button to start the flashing.


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 storage to which the files were copied.



TWRP

Find the file we need and click on it. A screen opens with a warning about possible negative consequences, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged files when writing to the phone's memory sections.

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: OS: Android 4.2.2 Jelly Bean; CPU Speed: 1.3 GHz; Primary display: IPS LCD 4.5" 854 x 480 pixels 16M colors FWVGA, 218 ppi; Secondary display: No; RAM: 512 MB; Memory Card: MicroSD,; Primary camera: 8 MP 3264 x 2448 pixels LED flash Autofocus; Video: 1280 x 720 pixels; Secondary camera: 2 MP 1600 x 1200 pixels; Headphone: Yes 3.5mm; WI-FI: Yes 0; NFC: No; GPS: Yes; Bluetooth: No; HDMI: No; Hotknot: No; USB: Yes Micro-USB 2.0; Infrared: No; Waterproof: No; Dustproof: No; Shock resistant: No; Sensors: Gravity, Photosensitive, Proximity, Gyro; Capacity: 1900 mAh; Dimension: 130.4 x 65.8 x 8.6 mm; Weight: 123 g; SIM: Mini-SIM, Single-SIM; Colors: white; ...

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