ZTE Optus X Vista Z6621O Stock ROM (Official Firmware )

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On this page, you will find the direct link to download ZTE Optus X Vista Z6621O Stock ROM (firmware, flash file),We also provide Stock ROM for other ZTE Devices for free. The Firmware package contains Firmware, Driver, Flash Tool, and How-to (Install) Flash Manual.

You can use this firmware file to flash ZTE Optus X Vista Z6621O. If also you want to upgrade or downgrade your smartphone, then , you can use this stock rom ,ZTE Optus X Vista Z6621O firmware flash file can also help to fix a lot of problems on your smartphone ,Some problems like hanging, battery drain, app crashing, and other problems , You can use this stock rom to remove the locked screen, remove root, fix many system errors, and unbrick ZTE Optus X Vista Z6621O.

The ZTE Optus X Vista Z6621O Stock ROM will help you to downgrade or upgrade the stock firmware of your ZTE Optus X Vista Z6621O Device. It will also help you to fix any software related issue, bootloop issue, IMEI issue.

Download ZTE Optus X Vista Z6621O Stock ROM (Firmware file)

ROM File Name : ZTE_Optus_X_Vista_Z6621O_OPT_AU_Z6621OV1.0.0B19_DL_SPD.zip
ROM File Size : 1.39 GB
Download Flash Tool : SPD Flash Tool
How to Install :See Tutorial

Link 1 (G-Drive)Mirror 2 (Mediafire)

ROM File Name : ZTE_Optus_X_Vista_Z6621O_AU_Z6621OV1.0.0B19_DL_SPD.zip
ROM File Size : 1.39 GB
Download Flash Tool : SPD Flash Tool
How to Install :See Tutorial

Link 1 (G-Drive)Mirror 2 (Mediafire)

How to Flash or Install ZTE Optus X Vista Z6621O Stock Firmware (ROM)

[•] : Download and extract the ZTE Optus X Vista Z6621O Stock ROM package on the computer using the WinRar or Winzip Tool.

[•] : After extracting the firmware package, you will get ZTE Optus X Vista Z6621O Firmware, Flash Tool, and Driver.

[•] : Install the Driver on the computer (if in case drivers are already installed, then SKIP this step).

[•] : Follow the How-to Flash Manual to flash the Stock ROM on the ZTE Optus X Vista Z6621O device.

Detailed Guidelines with picture

Readme Once Please :

[♥] Download Flash Tool : If you wish to download the latest version of SPD Flash Tool, then head over to the SPD Flash Tool page.

[♥] Take a Backup: Flashing or installing the ZTE Optus X Vista Z6621O firmware will wipe the user data from the device. Therefore, we request you to take a backup of your data before flashing the firmware.

[♥] ZTE Optus X Vista Z6621O USB Driver: If you are looking for the original ZTE Optus X Vista Z6621O USB Driver, then head over to the ZTE USB Driver page.

[♥] The ZTE Company Officially releases the above ZTE Optus X Vista Z6621O Firmware . Official ROM helps you to fix the device if in case your device is having any Bootloop, Hang issue, or Dead Issue.

[♥] Request ZTE Firmware: If you are looking for any specific firmware that is not listed above, you can request it through the comment box below (do not request firmware through the contact page, or else it will be ignored).