Stock Firmware

How To Flash Nubia Z20 Firmware [Stock ROM]

Nubia Z20 Firmware

Here are the most suitable ways of executing how to Flash Nubia Z20 Firmware and unbrick Package that Fixes boot loop. If you are using a Nubia Z20 this will be the best guide to install Nubia Z20 Repair  Stock ROM.

By flashing the Nubia Z20, almost all the data, components and files present there will get wiped off and installs a fresh OS version.

Nubia Z20 Firmware [Stock ROM]

Stock Rom is an operating system which set as default in your Android phones.

These are developed by the manufacturers to attracts their customers.

Every device contains its own unique and attractive features in their Stock Rom.

It varies from brand to brand which specially designed by the manufacturers for every particular device.

It is pre-installed in your device by the manufacturer at the time of buying your device. Some brands use google’s stock operating system while some used their own operating system to create a Stock Rom.

The Benefit Of Nubia Z20 Firmware:

Battery Life:-

Consumption of the battery of your device depending upon the weight of your ROM.

And Stock ROM consumes lesser power rather than Custom ROM.

Manufacturers of the device set the processor speed at a required state. Which consumes lesser power of your device. And maintain the battery life of your device.

Premium Features:- 

Every Stock ROM comes with some of the premium features like app drawer, launcher, etc.

Which increase it’s uniqueness from other devices. But by flashing a Custom ROM these premium features are not port.

System Updates:-

The device carrier automatically sends the updates to the device.

You didn’t have any need to check updates at regular intervals.

Bugs Free:-

No one wants bugs in their programming.

Every time manufacturers of the ROM try to keep their program bug free.

They test the program before it’s release. Companies are mainly focused on creating a bug-free program.

That’s why chances of having a bug in Stock ROM becomes lesser.

Still in Warranty:-

Stock Firmware does not crack the warranty of your device.

This is one of the biggest reason users doesn’t want to switch to custom ROM. Rooting is important for installing custom ROM and Rooting immediately void your device warranty.

But now some manufacturers of the Android devices gives still warranty after rooting of the device.

Pre-Installed Apps:-

Stock ROM comes with lots of pre-loaded apps and features.

And it’s enough to attract customers. Every brand has it’s own unique features that increase its importance. Like:- live wallpaper, calculator, etc.

Requirements To Flash Nubia Z20 Stock ROM:

  • Charge your mobile: Your phone may no less than a half charge.
  • Laptop or PC: To execute this installation, you must use a PC or Laptop.

1. Take Nubia Z20 Full Backup

Before going to install Nubia Z20 stock ROM you need to take a backup of all your messages, photos, and apps from your smartphone.

Most smartphones automatically make a backup in the background. But to make sure you take everything to your new device, you need a full backup.

How To Backup Android Phone Before Flashing Stock Firmware

2. Download Nubia Z20 Flash Tool And Drivers:

A.  Download and install Nubia Z20 Drivers. The necessary communication between your device and PC.

These drivers are mainly for the devices powered by Qualcomm chipset. With these drivers, you can transfer files, flash the firmware files on the device, etc.

B. We use the QcomDloader Tool for as Nubia Z20 Flash Tool because of this tool is very efficient and support all kind of Qualcomm phones.

Instructions to Flash Nubia Z20 Stock ROM:

  1. Download and extract the QcomDloader Tool on the computer.
  2. Download Nubia Z20 Stock Firmware.
  3. Install Nubia Z20 USB Driver on the Computer.
  4. Connect your device to the computer using a USB cable.
  5. Once your device is connected to the computer, Open QcomDloader.exe.
  6. Click on the Load Button and locate the “Nubia Z20 Firmware” on the computer.
  7. Click on the Settings Button and Select Download Mode as Upgrade.
  8. Now, Leave the eMMC Programmer, Raw program, Patch0 Box as it is. But, you may need to change it, if the name of a respected file is not the same as written in the Box.
  9. Click OK to exit the configuration interface.
  10. Click on Start Button to begin the Flashing process.
  11. Once, Flashing is completed you will be able to see Green Passed message.
  12. Disconnect the device from the Computer and Close the QcomDloader Tool.
  13. Congratulations! Now Restart your Mode device, and you will be able to use it.


  • Please read and understand the Full Guide before flashing “Nubia Z20 Firmware”.
  • Use these instructions at your own risk. We will not be responsible for everything that happens to your device, resulting from the use of information in this guide.
  • Before flashing, Stock ROM on Nubia Z20 must have a 70–80% charge.

Follow Detailed Guidelines How To Flash Stock ROM With QcomDloader Tool

Nubia Z20 Firmware Details:


Gapps: Included No Root
Device Supported: Nubia Z20 No Twrp And Nand Backup
Tool Supported: QcomDloader Tool No Customization And Over cloaking
Soc: Qualcomm No ADB Ad Block
Os: Android Pre-installed OEM apps



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