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Flash firmware on Vivo Y85A

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How to flash Vivo Y85A?


Why reinstall the firmware?

Errors start to appear in the operating system.

Apps won't open.

Many programs from the Play Market do not work.

The phone restarts or shuts down randomly.

The phone began to work slowly.

The OS does not match the system requirements of the smartphone.





Where can I find the firmware?

On the website of your phone manufacturer.

On sites where developers 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 SD card. An SD card is needed to write firmware to it.

Find information about your smartphone model.

Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.

Download archive with Firmware. 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 a new firmware and all the risks associated with this, 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.

TWRP

On the main screen of the application, select 'Select Device', and find your phone model.

After selecting the phone, the program will redirect the user to a web page to download the corresponding image file of the modified recovery environment. 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. Select the file downloaded in the previous step.

Press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.

When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.

Write the firmware to the SD card. Using a PC or laptop card reader.

Insert a memory card into your 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. We open the menu, 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 many problems. press 'WIPE' on the home screen.

Now you can start flashing. Click the 'Install' button.


TWRP

On the file selection screen, 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

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, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.

The completion of the firmware installation procedure is indicated by the inscription 'Successful'.





Summary: Type: Mobile; Battery: Li-Po 3260 mAh; CPU: Qualcomm Snapdragon 450 SDM450, Quad Core, 1.8GHz, Adreno 506; Smart Phone OS: Android 8.1; Dimensions: 154.81 x 75.03 x 7.89 mm; Formfactor: Bar; Keyboard: Screen; Sidekeys: Volume, Power; Softkeys: 3; Weight: 150 g; Color: Yes; Colors: 16M; Other: Capacitive Touchscreen, Multitouch, Funtouch OS 4.0; Pixel aspect ratio: 1.00; Resolution: 760x360; Display PPI: 400; Screen Size: 6.3; Type: IPS LCD; Audio: MP3, WAV; Camera: 13MP, 4128x3096, 2MP, 1600x1200; Other: CMOS Sensor, LED Flash, Autofocus, Continuous Shooting, Digital Zoom, Geo-Tagging, High Dynamic Range (HDR), Touch Focus, Face Detection, White Balance, ISO, Exposure Com ...

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Mdsoheb007October 15, 2022
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