This is the official page, from which you can download the Official Viettel V8509 Stock Firmware ROM (flash file) on your Computer. The Firmware File comes in a zip package which contains the Firmware, Flash Tool, USB Driver and How-to Flash Guide.
Viettel V8509 Stock ROM (flash file)
The official Flash File (firmware or rom) from firmwarecare.com helps you to re-install the Mobile OS, on your Mobile Device. It also helps you to fix the device if it is facing any software related issue, imei related issue or bootloop issue.
Package Name: Viettel_V8509_MT6572_MIRA.zip
Package Size: 232 MB
How-to Flash: Use Miracle Box Software to Flash this firmware on your Device.
How to Flash Viettel V8509 Stock ROM
Step 1: Download and Extract the Viettel V8509 Stock Firmware on your Computer.
Step 2: Once, you have extracted the Package, you will get the Firmware, Flash Tool, Driver and How-to Flash Guide.
Step 3: Now, Install the provided USB Driver on your Computer.
Step 4: Once Driver is installed, Open Flash Tool on your Computer.
Step 5: Once Flash Tool is Launched, Connect your Device to the Computer using the USB Cable.
Step 6: Now, Click on the Download or Upgrade button on your Flash Tool to begin the Flashing process.
Step 7: Once flashing is completed, Disconnect your Viettel V8509 device from the Computer and Restart the Device.
[*] Flash Tool: If you are looking for the latest version of Miracle Flash Tool, then head over to Miracle Flash Tool for Windows page.
[*] Take a Backup: We recommend you to take a backup of your personal data before flashing the Stock Firmware, as flashing the firmware will delete the personal data from the device.
[*] 100% Original: On firmwarecare.com, we only serve the original firmware released by the device company. All the firmware are 100% guaranteed original with zero modifications. We personally scan each of the firmware using the Kaspersky Antivirus before sharing it online.