ZTE Optus X Vista Firmware Flash File – Stock ROM SC9863A 9.0

Want to flash the firmware file on ZTE Optus X Vista, then you are in the right place. In this guide, you can flash the stock firmware file to troubleshoot any issues or problems on your device. Yes! With this guide, you can resolve problems such as WiFi and Bluetooth issues, unbrick your device, resolve lag or bad performance, and also fix any software-related problems.

To flash the firmware file on ZTE Optus X Vista, we are using the SPD Flash tool aka Spreadtrum Flash Tool as this device is powered by Spreadtrum SC9863A SoC. We have shared all the pre-requisites files to download and install the stock ROM on your device.

ZTE Optus X Vista Firmware Flash File - Stock ROM SC9863A 9.0

Why We Need Stock Firmware?

Stock Firmware or a Stock ROM is official software that is designed by the OEM manufacturer for a particular device. This file is required to fix any software-related issue on your ZTE Optus X Vista. If you are facing any problem with your device, your final attempt will be to re-install the stock ROM. This way, you can restore your device back to stock ROM. This guide will be more useful to those users who always want to try rooting, installing mods, or custom ROM.

Advantage of Stock ROM:

Here are the answers to why you need to download and save the ZTE Optus X Vista firmware flash file on your computer.

  • If your device is dead, you can unbrick using the Stock ROM file
  • You can fix or repair the IMEI on your device using DB files from Stock ROM
  • Remove any malware or Adwares from ZTE Optus X Vista
  • You can fix the boot loop issue on ZTE Optus X Vista
  • Fix Unfortunately, the app has stopped error on ZTE Optus X Vista
  • Fix Network related issue
  • Patch Boot image to Root using Magisk: Mediatek Guide or Spreadtrum Guide
  • You can unroot ZTE Optus X Vista
  • To Reset or Remove FRP on your device: Mediatek FRP Guide or Spreadtrum FRP Guide
  • Restore ZTE Optus X Vista back to Factory State

Firmware Details:

  • Device Name: ZTE Optus X Vista
  • ROM Type: Stock ROM
  • Gapps File: Included
  • Tool Supported: SPD Flash Tool
  • Processor: Spreadtrum SC9863A
  • Android OS: 9.0 Pie

How to Flash ZTE Optus X Vista Firmware File

Before installing the Stock ROM on ZTE Optus X Vista, you should download the firmware file. Then download and install the USB Drivers and flash tool on the PC as well. Once you’re done with these, you can proceed to the steps below. But let’s take a quick look at the Stock Firmware importance and firmware details below.

Pre-Requirements:

Download Flash Files

Software Details Download Link
Flash File Name: ZTE Z6621O OPTUS X VISTA OPT_AU_Z6621OV1.0.0B19_DL
File Size: 1 GB
OS: Android 9.0 Pie
Download Link

Instructions to Install: via SPD Flash tool

Now, without wasting any more time, let’s jump into the firmware installation steps below:

Guide to Install Stock ROM using SPD Flash Tool

That’s it, guys. We hope that you’ve installed the Stock Firmware on your ZTE Optus X Vista device successfully. Feel free to ask in the comments below for any queries.

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