Last Updated: July 24, 2026
This page provides the stock firmware, necessary drivers, and instructions to fix issues on the Infinix Zero 6 Pro X620. Download the files and follow the steps below to resolve bootloops, FRP locks, and software errors.
Device: Infinix Zero 6 Pro X620 | Chipset: Qualcomm Snapdragon 636 (SDM636) | Flash Tool: QFIL (Qualcomm Flash Image Loader)
Android: Android 8.1 Oreo (X OS) | File Type: ZIP (Contains Firehose programmer file [*.mbn], rawprogram0.xml, patch0.xml)
⚠ Warning: Flashing erases all data. Back up first.
Device: Infinix Zero 6 Pro X620 (Qualcomm Snapdragon 636 (SDM636))
Flash Tool: QFIL (Qualcomm Flash Image Loader)
Latest Build: V34
Firmware Files: 4 available
What You Need: Windows PC, USB data cable, QFIL (Qualcomm Flash Image Loader), USB drivers
Time Required: 10-20 minutes (plus 3-8 min first boot)
Infinix Zero 6 Pro X620 Firmware (Flash File) Drivers, Tools & Guide
Qualcomm-powered devices handle flashing differently from MediaTek. QFIL is less forgiving, and selecting the wrong programmer file will stop the process right away. I put this guide together to make things straightforward: the right firmware, the correct QFIL setup, and the steps that work reliably on Infinix Qualcomm devices.
The most important thing to check before you begin: after extracting the firmware, look for the Firehose .mbn file first. If it is not there, you have the wrong package. Do not load it into QFIL hoping it will work, that mistake alone can cost you a lot of time troubleshooting.
There are 4 firmware files available for the Infinix Zero 6 Pro X620 on this page. Pick the one that matches your current Android version for the smoothest flash. The stock firmware ships with Android 8.1 Oreo (X OS), which determines the default apps, security features, and interface you will see after flashing. The Infinix Zero 6 Pro X620 was originally released in 2019, which means USB driver compatibility on newer Windows versions (10/11) may require manual installation rather than plug-and-play.
This firmware was sourced directly from verified repositories and checked for integrity before being listed on this page. The Infinix Zero 6 Pro X620 was released in 2019. This page is maintained with the latest available firmware builds as they become available.
Your Infinix Zero 6 Pro X620 firmware comes as a compressed ZIP file. Download and extract it using WinRAR or 7-Zip. Once extracted, open the folder and confirm it contains the Firehose programmer file (*.mbn), rawprogram0.xml, and patch0.xml before proceeding.
Once you flash, the device goes back to factory condition. Everything stored on the phone, photos, messages, apps, will be gone. This clean state is what allows the flash to fix stuck logos, FRP locks, software corruption, and performance issues.
Infinix Zero 6 Pro X620 Hard Reset Guide
You can perform a factory reset on the Infinix Zero 6 Pro X620 without a computer by using the hardware keys.
A hard reset erases all data and restores Infinix Zero 6 Pro X620 to its original factory state. This fixes most software problems, slow performance, app crashes, forgotten screen locks, and bootloops. If the issue persists after a factory reset, a full firmware flash using QFIL (Qualcomm Flash Image Loader) is covered in the following sections.
Bypass Google Lock on Infinix Zero 6 Pro X620
The fastest way to bypass FRP on Infinix Zero 6 Pro X620 is to use a free Android apps launcher that lets you access settings during the setup wizard. After flashing or performing a factory reset you may see a Google account lock (FRP). Our free Android apps launcher is the fastest way to get past it. This is also why I always recommend removing your Google account before flashing, it avoids this problem entirely.
Why Flash Stock ROM on Infinix Zero 6 Pro X620?
You should flash stock firmware on the Infinix Zero 6 Pro X620 to repair software corruption, restore system apps, and exit EDL mode.
- Repair a phone that shuts down randomly or restarts in a loop.
- Resolve OTA update failures and battery drain issues.
- Fix startup loops, lagging, and freezing on your device.
- Restore system apps that were accidentally removed or corrupted.
- Restore the original Infinix stock ROM to keep your warranty valid.
- Update to the latest Android version supported by your phone.
- Safely exit EDL (9008) mode after a failed flash attempt on your device.
Learn more about stock ROMs and why flashing works.
Which Firmware Version Does Your Infinix Zero 6 Pro X620 Need?
To determine the correct firmware, you must verify the device model code, chipset type, and current Android version.
- Open About Phone: Your device model must read “X620” exactly. Even small differences in the code can mean a completely different chipset and partition layout.
- Verify the Chipset Type: This firmware targets Qualcomm Snapdragon 636 (SDM636) specifically. Flashing it on a different chipset will fail or could brick the device.
- Check Your Current Firmware Version: Compare your build number with the versions listed in the download section to decide which file to use.
- Use Recovery Mode: If you cannot access Settings (phone is stuck or locked), boot into recovery mode to read the build and chipset details from the screen.
- Regional Compatibility: Some Infinix firmware packages target specific regions. Confirm the download matches your device origin.
Firmware Details for Infinix Zero 6 Pro X620
Here is a quick overview of the official firmware specifications:
| Firmware Information | Details |
|---|---|
| Device Model | Infinix Zero 6 Pro X620 |
| Firmware Version | V34 |
| File Size | 1.7 GB to 2.03 GB |
| Android Version | Android 8.1 Oreo (X OS) |
| Platform | Qualcomm Snapdragon 636 (SDM636) |
| Release Date | Released 2019, March |
| Region | Global, Africa and Asia |
| File Type | ZIP (Contains Firehose programmer file [*.mbn], rawprogram0.xml, patch0.xml) |
Which Firmware Version Should I Download?
You should choose the firmware version based on your specific issue, such as a dead phone, FRP lock, or slow performance after an update.
| Your Situation | What I Recommend |
|---|---|
| Phone is completely dead or stuck on logo | V34, download this one. It is the latest Infinix Zero 6 Pro X620 firmware available. |
| FRP / Google account lock only | See the FRP bypass guide above, you likely do not need the full firmware for this. |
| Phone slow after a recent OTA update | Try the next older version, sometimes the latest OTA introduces new bugs and an older build runs better. |
| IMEI missing after a previous flash | Re-flash V34 first, then follow the IMEI repair guide. Do not skip the reflash. |
| V34 failed with a flash error | Try the next older version instead and double-check your Firehose programmer file (*.mbn), rawprogram0.xml, and patch0.xml selection before assuming the firmware is the problem. |
| Restoring to factory / warranty repair | V34, clean state, fresh start. |
For Qualcomm devices, use the latest build unless you have a specific reason not to. Older Firehose packages can sometimes cause partition table issues that are difficult to fix. The newest build is almost always the right choice.
Download Infinix Zero 6 Pro X620 Firmware
Download the official stock firmware for your Infinix Zero 6 Pro X620 below. The latest available version is V34. After downloading, verify the file size matches the table above, a size mismatch usually means a partial or corrupt download, and flashing a corrupt file can cause more problems than it solves.
| Software Details | Download Link | Members Link |
|---|---|---|
|
File Name: Infinix_Zero_6_X620_Q6361B_V34_190108_QPST.zip Size: 2 GB | Download Link | Download Link2 |
| File Name: Infinix_Zero_6_X620_Q6361B_V34_190108_QPST.zip Size: 2.03 GB | Download Link | Download Link2 |
| File Name: INFINIX_ZERO_6_PRO_X620_FRP_Remove_Lock_Brick_Dead_Fix_DLL_Image_Fail.rar Size: 1.7 GB | Download Link | Download Link2 |
| File Name: X620-Q6361B-O-190108V34-zero6pro_infinix-user-546-QFIL.zip Size: 2.03 GB | Download Link | Download Link2 |
Only download firmware that is fully compatible with your exact device model. See the firmware selection guide above if you are not sure.
Important: The Infinix Zero 6 Pro X620 (X620) should not be confused with other Zero 6 Pro variants that may have different chipsets or regional firmware. Even devices in the same Zero 6 Pro line can use completely different processors. Always verify your exact model code “X620” in Settings > About Phone before downloading any firmware from this page.
- Confirm your exact model is X620, check About Phone, not the marketing name on the box.
- Your device must have a Qualcomm Snapdragon 636 (SDM636) chipset. Boot into recovery mode to verify if unsure.
- Only use files downloaded from this page. Third-party mirrors may serve modified or incomplete packages.
- Compare the file size against the download table. If it does not match, the download is likely corrupt or incomplete.
Infinix Zero 6 Pro X620 Flash Setup Checklist
Get all of this sorted before you open QFIL for your Infinix Zero 6 Pro X620. In most cases I have seen with Infinix Qualcomm devices, the 9008 driver installation is where things go wrong first. If Windows does not recognise your device in EDL mode, that is almost always the reason. Install the Qualcomm HS-USB driver first, restart your PC, then proceed.
- Save Your IMEI Numbers: Type *#06# in the phone dialer and note down both numbers. These are your device identifiers for the cellular network. If flashing wipes them, you will need the originals to write them back.
- Disconnect Google Accounts: Before you start anything, remove all Google accounts from the phone. Settings then Accounts then tap each Google account and remove it. This avoids the FRP verification screen that appears after flashing if accounts were still linked.
- Create a Backup: Copy your data to your computer or an SD card. Flashing replaces the entire software on the phone, which means all personal data, apps, and settings will be permanently deleted.
- Charge First: Get the battery above 50% before starting. The flashing process takes a few minutes and the first boot takes several more. A power failure during either stage can leave the device in a state that requires more advanced recovery.
- Prepare Your PC Connection: You need a Windows computer and a USB cable that supports data transfer. Test the cable first by connecting the phone normally, if it shows up in File Explorer, the cable is good.
- Install the Right Drivers:
Flashing Infinix Zero 6 Pro X620 Firmware With QFIL (Qualcomm Flash Image Loader)
We are using QFIL from the QPST suite. Make sure your device is in EDL mode, also called 9008 mode, before connecting it. The most reliable way to confirm this is to check Device Manager for “Qualcomm HS-USB QDLoader 9008.” If you see that entry, your device is in the correct mode and you can proceed.
- Download and Extract:
- Download the correct firmware package from the links above.
- Extract the ZIP to a simple folder path, avoid paths with spaces or special characters, as some flash tools have trouble with them.
- Install the Listed Drivers:
- Confirm all drivers listed above are installed and that your PC has been restarted since installation. Skipping the restart is a common reason drivers do not work correctly.
- Load the Firmware File:
- In QFIL, select Flat Build from the “Select Build” dropdown. Click Browse next to “Programmer Path” and select the Firehose .mbn file. Click Load XML and select rawprogram0.xml, then patch0.xml.
- Connect Your Device:
- Power off your phone completely, not sleep mode, fully off.
- Connect to your PC via USB cable. The flash tool will detect it automatically.
- Start Flashing:
- Click the “Download” button to begin.
- Do not disconnect, move the cable, or touch the device until the process is fully complete. Disconnecting mid-flash is how devices get bricked.
- Wait and Reboot:
- Once flashing finishes successfully, disconnect the device.
- Power on your device. The first boot will take longer than usual, give it up to 8 minutes.
Video Guide for Flashing
Normal Behavior After Installing Infinix Zero 6 Pro X620 Firmware
Here is what is completely normal after a successful flash:
- How to know the flash was successful: QFIL will display “Download Succeed” in the status bar. If you see this, the flash completed correctly.
- The phone may ask for language and region again, this is normal after a flash. You are starting from a clean state, so the setup wizard runs just like when the phone was brand new.
- Dial *#06# immediately after setup to check your IMEI. Do this before you insert a SIM card. If it shows “unknown” or “null”, follow the IMEI repair guide below before doing anything else.
- Wi-Fi, Bluetooth, and mobile data should all work right after setup. If mobile data is not connecting, go to Settings, SIM and Network, and re-enter your APN manually, the flash sometimes clears carrier APN settings.
- Fingerprint and face unlock data are erased during the flash. You will need to re-register your fingerprints and face data from scratch in the security settings.
- Storage will show almost full capacity available since all your apps and files are gone. The system partition size varies by firmware version but is typically 4 to 8 GB on most devices.
- Stuck in a bootloop after first boot? Enter recovery mode and do a factory reset from there, see the hard reset guide above. This can happen occasionally and does not mean the firmware is wrong.
Fix Common Infinix Zero 6 Pro X620 Firmware Errors
- Infinix Zero 6 Pro X620 Not Entering EDL (9008) Mode:
- Hold Volume Down and Power until the screen goes black, then connect the USB cable. Check Device Manager for “Qualcomm HS-USB QDLoader 9008”, that entry confirms EDL mode is active.
- If it is not showing, the EDL test point method may be needed for your specific device. XDA Developers has guides for most models.
- QFIL “Sahara Communication Failure” Error:
- This almost always means the wrong Firehose programmer file (.mbn) was selected. Go back to the firmware folder and confirm you are selecting the .mbn file specifically.
- Boot Loop After Flashing:
- Enter recovery mode and perform a factory reset. If the recovery partition was also overwritten and is not accessible, you will need to reflash.
- Infinix Zero 6 Pro X620 Not Recognized by QFIL:
- Reinstall the Qualcomm HS-USB QDLoader 9008 driver and restart your PC before retrying. Antivirus software can also interfere here, disable it temporarily during the flash process.
Missing IMEI or Corrupt Baseband on Infinix Zero 6 Pro X620 After Flashing?
A missing IMEI on a Qualcomm device after flashing is less common than on MediaTek, but it does happen, usually when the modem partition was not written correctly or was left out of the flash. QFIL or QPST can be used to address this. XDA Developers has device-specific IMEI repair threads for most Infinix Qualcomm models. Look up your exact model there, the process varies enough between devices that a general guide would not give you accurate steps.
Infinix Zero 6 Pro X620 Firmware FAQ
Q1: Can I flash this firmware if my phone does not turn on at all?
A: Yes, this is usually possible. Qualcomm devices often remain detectable in EDL mode even when the screen is off, QFIL can flash without the phone being on. If the battery is completely drained, charge it for at least 15 minutes first.
Q2: What if the flash fails halfway through?
A: Do not panic and do not disconnect the phone. Close QFIL (Qualcomm Flash Image Loader), restart it, and try the flash again from the beginning. In most cases, a failed flash just means the process needs to be repeated. The device is usually still detectable by the flash tool even after a failed attempt.
Q3: Will flashing void my warranty?
A: Flashing official stock firmware generally does not void your warranty since you are restoring the device to its factory-intended state. However, some manufacturers may flag that the bootloader was unlocked or that the flash counter increased. Check your specific warranty terms with Infinix support if you are concerned.
Q4: My device is not detected by QFIL (Qualcomm Flash Image Loader). What should I do?
A: Start with the drivers, reinstall the Qualcomm HS-USB QDLoader 9008 driver, restart your PC, then try again. Switch to a USB 2.0 port if you are on USB 3.0. Disable your antivirus temporarily. If none of that works, leave a comment with the exact error message.
Q5: Is it safe to flash during a power outage risk?
A: It is best to avoid flashing during unstable power conditions. If your PC shuts down during the flash, it can corrupt the write and leave the phone in an unbootable state. If you are in an area with unreliable power, use a laptop with a fully charged battery instead of a desktop.
Q6: Is this firmware compatible with other Infinix models?
A: No. This firmware is built specifically for the Infinix Zero 6 Pro X620 running on the Qualcomm Snapdragon 636 (SDM636) chipset. Even variants of the Zero 6 Pro with a different letter suffix can have a completely different chipset inside. Flashing the wrong firmware can leave your phone in a state that is very difficult to recover from. Always check your exact model number in Settings.
Q7: Do I need an internet connection during flashing?
A: No. The flashing process is entirely offline, it happens between your PC and the phone via the USB cable. You do not need internet at any point during the flash itself. You will need internet later to set up the phone and download your apps.
Q8: What should I do if I encounter an FRP lock after flashing?
A: Use our free Android apps launcher. FRP lock activates when a Google account was still signed in before flashing. This is why signing out of your Google account before flashing avoids this issue entirely.
People Also Ask About Infinix Zero 6 Pro X620
Will flashing firmware on Infinix Zero 6 Pro X620 erase my data?
Yes. Flashing stock firmware on the Infinix Zero 6 Pro X620 with QFIL (Qualcomm Flash Image Loader) performs a full factory reset. All apps, photos, contacts, and accounts will be removed. Back up everything important before you start. There is no way to recover data after flashing.
How do I check my Infinix Zero 6 Pro X620 model number before flashing?
Go to Settings > About Phone on your Infinix Zero 6 Pro X620 and look for the model number “X620”. You can also confirm by entering recovery mode (Volume Up + Power while powered off) which displays the build number and model code. Always match this exactly with the firmware filename before flashing.
What is the latest firmware version for Infinix Zero 6 Pro X620?
The latest available Infinix Zero 6 Pro X620 firmware on this page is version V34. This page has 4 firmware builds available for download. Check the firmware details table above for file sizes and Android versions.
Can flashing firmware fix a bricked Infinix Zero 6 Pro X620?
Yes. If your Infinix Zero 6 Pro X620 is stuck on the logo, in a bootloop, or will not turn on, flashing the stock firmware with QFIL (Qualcomm Flash Image Loader) can restore it to working condition. This is the standard repair method used by service centers for Infinix devices.
Conclusion
This guide covers the complete flashing process for the Infinix Zero 6 Pro X620. With V34 installed, your device should boot cleanly and be ready for setup.
If you ran into an issue that is not covered here, or if one of the steps did not work the way it should, let me know in the comments. Include the error code or screenshot if you have one.
Bookmark this page if you work on Infinix devices regularly. I keep it updated when new firmware versions come out.
Browse all Infinix firmware downloads for more devices.
Disclaimer: Flashing stock firmware is performed at your own risk. Follow the instructions on this page carefully. I cannot be held responsible for any damage to your device, but I will always try to help if something goes wrong.
