Download Infinix Zero 20 X6821 Firmware Flash File (Stock ROM)

Infinix Zero 20 was launched in India alongside the Infinix Zero Ultra 5G. The device features a 6.7-inch AMOLED display with full-HD+ resolution and a 90Hz refresh rate. It is powered by a MediaTek Helio G99 SoC and comes with 8GB of RAM and up to 256GB of internal storage.

Today we have the latest firmware flash file for the Infinix Zero 20 (X6821) based on Android 12 (XOS 10.6) powered by a MediaTek Helio G96 processor. To install the firmware flash file, we need software called SP Flash tool which can be helpful to flash the stock ROM on your device. The method is simple and easy. We have also added video and step-by-step tutorials to make things easier to flash the official flash file.

This process is helpful if you have bricked your device, lag, or shuttering performance, to fix Bluetooth and WiFi issues, and to unroot or bypass the FRP lock. So without wasting our time, let’s understand what a stock firmware flash file is.

Download Infinix Zero 20 X6821 Firmware Flash File (Stock ROM)

Infinix Zero 20 Device Overview:

The Infinix Zero 20 features a 6.7 inches AMOLED panel with a 90 Hz refresh rate. It is an FHD+ panel with a resolution of 1080 x 2400 pixels and an aspect ratio of 20:9. Under the hood, we get the MediaTek Helio G99 processor built on a 6 nm manufacturing process. It is an octa-core processor with two Cortex-A76 cores clocked at 2.2 GHz and six Cortex-A55 cores clocked at 2.0 GHz. For handling the graphics-intensive tasks, we have the Mali-G57 MC2. The smartphone comes with Android 12 out of the box with XOS 12 skin running on top.

In terms of optics, we get a triple camera setup at the rear and a single selfie camera at the front. The rear camera setup consists of a 108 MP primary sensor with an f/1.8 lens, a 13MP AF sensor, and a 2MP depth sensor. The selfie camera at the front is a 60 MP primary sensor paired with OIS technology. Both the rear and the front camera setup can capture 1440p videos at 30 fps.

The smartphone comes in two storage options: one with 256GB internal storage + 8GB RAM and the other with 128GB internal storage + 8GB RAM. We also get a dedicated microSD slot for storage expansion. In terms of communications, we get Wi-Fi 802.11 a/b/g/n/ac/6, Bluetooth, GPS, NFC, FM Radio, and USB Type-C 2.0. And for sensors, we get a side-mounted fingerprint sensor, accelerometer, gyro, compass, and proximity. Powering it all is a 4500 mAh battery that supports 45W charging. The smartphone has three colour options: Space Gray, Glitter Gold, and Green Fantasy.

Stock Firmware and its Advantage

The smartphone OEMs don’t provide that many customizations or functionalities to the device by default. But it’s the most stable ROM according to the device model and Android version.

While most of the third-party firmware comes with system bugs and stability issues. In this case, you may find battery issues, camera issues, network issues, basic features missing, lags, heating, slow down in performance, and more. But whenever you move to the Stock ROM, you can fix these issues easily. Here we have mentioned some of the Stock ROM advantages below:

  • Flash Stock To Unbrick your Infinix Zero 20 (X6821)
  • Fix the device boot loop issue
  • Upgrade and Downgrade your phone software version
  • Flash Stock ROM to unroot the device
  • Fix Bugs on your phone
  • Fix lag or stutter on Infinix Zero 20
  • Increase software performance, battery draining issue, OTA update issue
  • Revert back to Stock ROM will gain phone warranty (if applicable)

Firmware Details:

  • Device Supported: Infinix Zero 20 (X6821)
  • Tool Supported: Smartphone Flash Tool
  • Processor: MediaTek Helio G96
  • Android OS: Android 12, XOS 10.6
  • File: Software Update
  • Gapps: Included

Check for OTA Updates Manually

Your device will detect and grab the OTA when it becomes available. You will get a notification to install it. If you don’t get the OTA automatically, then manually check for the update. Follow these simple steps mentioned below.

  • Go to the device Settings > System menu > System Update > Tap on Check for Update option.
  • If the OTA update appears, tap on Download and install to begin the installation process.
  • It may take a few minutes and then reboot your device.
  • Now, your handset will boot into a new system.

Now, you have to download the Stock Firmware file for Infinix Zero 20 from below.

Steps to Flash Firmware File on Infinix Zero 20 (X6821) 

Now, follow the full step-by-step installation process to easily flash the Stock Firmware on your Infinix Zero 20 device. But before heading to the installation process, let’s look at the requirements.


  • ROM file supported: Infinix Zero 20 (X6821) only. Please don’t use it on other devices.
  • Charge the device battery up to 60% for a smoother process.
  • You will require a Windows PC/Laptop and a USB cable to connect your device to the PC.
  • Flash Tool: Download the SP Flash tool
  • USB Drivers: Download Infinix USB Drivers | MTK USB Drivers

Infinix Zero 20 X6821 Flash Files:

Software Version Downloads
Flash File Name: Infinix_Zero_20_X6821_MT6789_V769_220826
File Size: 4 GB
OS: Android 12, XOS 12
Download Link
Flash File Name: Infinix_Zero_20_X6821_MT6789_V947_220922
File Size: 4 GB
OS: Android 12, XOS 12
Download Link
Flash File Name: Infinix_Zero_20_X6821_MT6789_V1044_221011_12
File Size: 4 GB
OS: Android 12, XOS 12
Download Link

Instructions to install:


We at GetDroidTips will not be responsible for any kind of error/issue that occurs to your device while/after installing this firmware or following this guide. Proceed at your own risk.

Now, let’s go to the installation steps. Here we have provided the installation method in both the writing and video guide.

Guide to Install Stock Firmware using SP Flash Tool

Additionally, you can follow the video tutorial as well for better guidance.

We hope that you have successfully installed the Stock Firmware on your Infinix handset model Infinix Zero 20. For any queries, you can write them down in the comments below.

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.