Last Updated: March 13, 2026
Having trouble with your Infinix Zero 40 X6861? You can fix most software glitches by flashing the official Infinix Zero 40 X6861 firmware. This guide provides the latest USB Driver, the SP Flash Tool, and the Infinix Zero 40 X6861 flash file you’ll need to get your phone back in working order.
Infinix Zero 40 X6861 Firmware (Flash File) – Drivers, Tools & Guide
Here, you’ll find the original firmware for your Infinix Zero 40 X6861 smartphone. We’ve also included the essential SP Flash Tool and MediaTek USB drivers needed for the flashing process. All the files are zipped up, so you’ll need software like WinRAR or 7-Zip to extract them on your computer. Just be sure the extracted firmware package contains the scatter file; it’s crucial for flashing.
Before you start flashing, please check that the downloaded zip files are complete and match your specific Infinix Zero 40 X6861 model. You’ll need a Windows computer and a reliable USB cable to connect your phone. It’s also a good idea to scan your computer for any malware beforehand. For a smooth flashing experience, follow our step-by-step guide.
Updating your Infinix device with the stock firmware can resolve a variety of software problems. This includes issues like FRP lock, app crashes, slow performance, forgotten pattern locks, boot loops (when the phone is stuck on the Infinix logo), connectivity problems with Wi-Fi and Bluetooth, rapid battery drain, or if your phone has become soft-bricked.
FRP Bypass Tools for Your Infinix Zero 40 X6861
Sometimes, after flashing or a factory reset, your phone might ask for your Google account credentials – this is the FRP lock. If you run into this, our free Android apps launcher can help you regain access to your device.
Why Do We Need Infinix Zero 40 X6861 Firmware?
This Infinix Zero 40 X6861 firmware is essential for improving your phone’s overall performance and fixing common software bugs. It can:
- Unlock your device if it’s locked.
- Update your phone to the latest Android version available.
- Fix annoying issues like startup loops, lagging, and freezing.
- Resolve problems with over-the-air (OTA) updates and battery drain.
- Restore your phone to its original software (stock ROM), which can help keep your warranty valid.
- Help if your phone only seems to boot into recovery mode.
Applying this update can make your device run much better and more reliably. You can learn more about why installing stock ROM is important.
Choosing the Right Firmware Version
Before you start the flashing process, make sure you pick the correct firmware by following these steps:
- Check Your Device Model: Go to “About Phone” on your Infinix Zero 40 X6861 and confirm that the model number is indeed Infinix Zero 40 X6861.
- Verify the Build Number: Look for specific identifiers like “X6861” within your device’s build details.
- Confirm the Chipset: According to the official specifications, the Infinix Zero 40 X6861 uses the Mediatek Dimensity 8200 Ultimate (4 nm) CPU. This is an Octa-core processor with a configuration of 1×3.1 GHz Cortex-A78, 3×3.0 GHz Cortex-A78, and 4×2.0 GHz Cortex-A55 cores, paired with a Mali-G610 MC6 GPU.
- Match the Firmware Version: It’s really important that the firmware version and regional details precisely match your device’s specifications to prevent any compatibility problems.
- If you’re not entirely sure about your chipset or the current firmware version, you can restart your device into recovery mode. This often displays more detailed device information.
This way, you’ll be confident about which firmware to flash and which version is the best fit, helping you avoid any potential risks.
Firmware Details for Infinix Zero 40 X6861
Here’s a quick look at the official firmware information:
| Firmware Information | Details |
|---|---|
| Device Model | Infinix Zero 40 X6861 |
| Firmware Version | V940 |
| File Size | 7.7 GB |
| Android Version | Android 14, eligible for up to 2 major Android upgrades, running XOS 14.5 |
| Platform | Mediatek Dimensity 8200 Ultimate (4 nm) CPU Octa-core (1×3.1 GHz Cortex-A78 & 3×3.0 GHz Cortex-A78 & 4×2.0 GHz Cortex-A55) GPU Mali-G610 MC6 |
| Release Date | September 08, 2024 |
| Region | Global, Africa and Asia |
| File Type | ZIP (Includes Scatter File [MT6xxx_Android_scatter.txt], Preloader.bin, boot.img, system.img, recovery.img, lk.bin, logo.bin, and more) Flash Tool: SP Flash Tool |
Download Infinix Zero 40 X6861 Firmware
You can download the official stock firmware for your Infinix Zero 40 X6861 using the links below:
| Software Details | Download Link | Members Link |
|---|---|---|
| File Name: Infinix_Zero_40_X6860_MT6789_OP_V940_240802_MXML.zip Size: 7.7 GB | Download Link | Download Link2 |
| File Name: Infinix_Zero_40_5G_X6861_Preloader_File.zip Size: 277.00 KB | Download Link | Download Link2 |
Please make sure the firmware version you choose is fully compatible with your specific device model and regional settings.
Prerequisites
Before you dive into the flashing process, here’s what you’ll need to have ready:
- Backup IMEI Numbers: It’s crucial to note down and save your Infinix Zero 40 X6861’s IMEI numbers before you begin flashing.
- Remove Google Accounts: Sign out of all Google accounts on your phone. This helps prevent FRP lock issues after the firmware update.
- Backup Your Data: Don’t forget to back up all your important information, including accounts, music, videos, and photos. Flashing the firmware will erase everything on your device.
- Fully Charged Device: Make sure your phone’s battery is charged to at least 50%.
- USB Cable & PC: You’ll need a dependable USB cable and a computer with working USB ports.
- Necessary Drivers: Download and install these drivers:
- Data Backup: Always back up your important data to ensure nothing gets lost during the flashing process.
How to Install Firmware on Infinix Zero 40 X6861
You’ll be flashing using the SP Flash Tool with the secure boot Download Agent (for SLA/DAA devices). If you can’t find the Secure Boot Download Agent (DA) file for this specific model, you might need to try flashing the firmware using MTK Client instead. Here are the step-by-step instructions using the MediaTek (MTK) SP Flash Tool:
- Download and Extract:
- First, download the correct firmware package for your device.
- Then, extract the contents of the ZIP file into a dedicated folder on your computer.
- Install the Required Drivers:
- Make sure both the VCOM Drivers and Infinix USB Drivers are properly installed on your PC.
- Launch the SP Flash Tool on your computer. If you don’t have it yet, you can download the latest version of SP Flash Tool for Windows or the SP Flash Tool for Linux. For a more detailed walkthrough, check out this complete step-by-step SP Flash Tool flashing guide.
- Load the Scatter File:
- Click on the “Scatter-loading” button. Navigate to your extracted firmware folder and select the “scatter.txt” file.
- Connect Your Device:
- Turn off your phone completely.
- Connect your device to your PC using the USB cable. The SP Flash Tool should automatically detect your phone.
- Start Flashing:
- Click the “Download” button to begin the flashing process.
- Do not unplug your device from the computer until the process is fully completed.
- Wait and Reboot:
- Once you see a confirmation that the flashing is complete, you can disconnect your device.
- Now, turn on your device. It should boot up with the new firmware installed.
Missing IMEI or Corrupt Baseband After Flashing?
If you notice that your IMEI numbers are missing or the baseband is corrupt after flashing, try these steps:
- Check Drivers: Double-check that you have the Mediatek CDC Driver and other MediaTek (MTK) drivers installed correctly.
- Use an IMEI Repair Tool: Tools like SN Write Tool or Maui Meta for MediaTek can help restore your original IMEI. You can find guides on how to use the Write Tool or Maui Meta.
- Run the Repair Tool:
- Connect your device to your computer.
- Enter your original IMEI numbers for both SIM slots.
- Click “Start” to begin the repair process.
- Restart Your Device: Once the process is finished, reboot your phone. You can check your IMEI by dialing *#06#.
Video Guide: How to use Maui META to repair IMEI
Credits: https://www.youtube.com/@mhgsmclinic
Common Issues and Solutions
- Device Not Recognized by PC:
- Make sure all the necessary drivers are installed correctly.
- Try using a different USB cable or a different USB port on your computer.
- Boot Loop After Flashing:
- If your device keeps restarting in a loop, try booting into recovery mode and performing a factory reset.
- Flashing Errors:
- Double-check that you’ve selected the correct scatter file and that the firmware version is exactly right for your specific device model.
Frequently Asked Questions (FAQs)
Q1: Will flashing the firmware erase my data?
A: Yes, flashing the stock firmware will reset your device to its factory default state. Please make sure to back up all your important data beforehand.
Q2: Is this firmware compatible with other Infinix models?
A: No, this specific firmware is exclusively for the Infinix Zero 40 X6861. Using it on any other model could cause serious problems.
Q3: Can I downgrade my firmware version?
A: Downgrading is generally not recommended because it can introduce security vulnerabilities and compatibility issues. It’s best to stick with the latest official version.
Q4: What should I do if I encounter an FRP lock after flashing?
A: If you face an FRP lock, our free Android apps launcher can help you resolve these Google account lock issues quickly.
Q5: Are custom ROM options available for the Infinix Zero 40 X6861?
A: This guide focuses on the official stock firmware. For custom ROMs, you might want to check our Custom ROMs page, other trusted tech forums like XDA Developers, or resources like Beebom.
Conclusion
By carefully following this guide, you can confidently flash the official stock firmware onto your Infinix Zero 40 X6861. This process will help restore optimal performance, stability, and security to your device. If you run into any issues or have more questions, feel free to leave a comment below or reach out to our support team.
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Disclaimer: Flashing stock firmware is done at your own risk. Please follow the instructions precisely to avoid any potential damage to your device.


