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Flash firmware on ZTE V816W

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How to flash ZTE V816W?


Why reinstall the firmware?

Errors start to appear in the operating system.

Some applications will not open.

Many programs from the Play Market do not start.

The phone turns off for no apparent reason.

The phone is slow.

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





Where can I find the firmware?

On the official website of the 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 your computer.

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

Find information about your smartphone model.

Charge your phone fully. If the battery runs out during boot, the device will no longer turn on. It will be difficult to restore it.

Find and download the 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 must consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press 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, 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.

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.

Now press the 'FLASH TO RECOVERY' button and confirm your choice, press '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 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. 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 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. Click the 'Install' button.


TWRP

The file selection screen is displayed. At the very top is the 'Storage' button, which allows you to switch between types of memory.

Select the storage to which the files were copied.



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.

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





Summary: Type: Mobile; Battery: Li-Ion 1400 mAh; CPU: Mediatek 6572, Dual Core, ARM Mali-400 MP, ARMv7; Smart Phone OS: Android 4.4.2; Formfactor: Bar; Keyboard: Screen; Sidekeys: Volume, Power; Softkeys: 3; Color: Yes; Other: Multi Touchscreen; Pixel aspect ratio: 1.50; Resolution: 534x320; Display PPI: 239; Screen Size: 3.9; Type: WVGA; Audio: MP3; Camera: 3.4MP, 2240x1536; Other: Continuous Shooting, Video Recording; Secondcamera: 1.5MP, 1560X960; Videocapture: YES; Connectors: USB, 3.5mm Audio; Network: Bluetooth 4.0, GPS, WIFI, 802.11b, 802.11g, 802.11n; Features: Dual SIM Dual Standby, Accelerometer, FM Radio, Loudspeaker; Memory Internal: 4GB ROM, 512MB RAM; Memory Slot ...

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