On this page, you will find the official Viwa V4 Stock Firmware ROM (Flash File). The Firmware (flash file) comes as a zip package and contains the original How-to Flash Guide, USB Driver, Flash Tool, and Flash File (ROM).
Download Viwa V4 Stock Firmware (Flash File ROM)
The Stock Firmware can be used to re-install the original OS on the device. It can also be used to fix any software related issue, bootloop issue or dead issue.
Firmware Name: Viwa_V4_20150706_OTA.zip
Firmware Size: 411 MB
How-to Flash: Copy the update.zip file to phone sd memory and flash it from recovery.
How to Flash Viwa V4 Firmware
Step 1: Download and Extract the Viwa V4 Stock Firmware on your Computer.
Step 2: Once you have extracted the zip package on your computer, you will be able to see the How to Flash Guide, USB Driver, Flash Tool and update.zip Flash File (ROM).
Step 3: Now, install the provided USB Driver on your Computer.
Step 4: Now, Connect your Device to the computer using the USB Cable.
Step 5: Once your device is connected to the computer, Copy the update.zip file to the phone SD memory.
Step 6: Now, disconnect your device from the computer.
Step 7: Now, Turn Off your device and boot the device into the Recovery mode (Press and Hold Volume UP + Power Key).
Step 8: Once your device is booted into the recovery mode, select the update.zip file to flash it.
Step 9: Once Flashing is completed, restart the device.
[*] Backup: Before using the Flash Tool to Flash the Stock Firmware on your Mobile Device, we recommend you to take a backup of your personal data, as flashing will permanently delete your personal data from the device.
[*] Original firmware: On xdafirmware.com, we only serve the original firmware (flash file) released by the device manufacturer. We have personally scanned, each of the firmware package using the Eset antivirus before sharing it online.