Stock ROMFirmware Update

Install/ Update Infinix Note 12 Pro 5G X671B to Android 12 Stock ROM Firmware

The latest software update brings good news to users of the Infinix Note 12 Pro 5G X671B. Infinix has released Android 12 for your Infinix Note 12 Pro 5G X671B device, which is the next major Android release for the device. If you’ve been waiting for Android 12 to arrive on your Infinix Note 12 Pro 5G X671B, your wait is over. You can now flash the most recent software on your device, which is good news for anyone who has been wondering how to install the newest Stock ROM Firmware.

Infinix has officially released the Stock Android 12 and AOSP Custom Skin for the Infinix Note 12 X670. Android 9 Pie is the software predecessor to Android 10, and Android 11 is the operating system successor to Android 8 Oreo. The official Android 12 Firmware includes bug fixes, security patches, and enhancements to the device’s overall stability.

So, if you own an Infinix Note 12 Pro 5G X671B, you can install the most recent update for your device, which includes X671B-H331EF-S-GL-220527V603, and is based on Android 12. The update frequently aims to improve system stability and device performance while also adding new features.

Infinix Note 12 Pro 5G X671B Android 12 OTA Firmware/ Flash File

The OTA update notification may be received on all Infinix Note 12 Pro 5G X671B devices. You may already be aware that the Android Team fixes vulnerabilities discovered in the operating system on a regular basis and promptly releases updates. The OEMs then distribute Security Updates containing patched/fixed Android vulnerabilities via OTA and Stock ROM updates. The data is not erased when you update the firmware on your smartphone via OTA.

We will walk you through the process of flashing/installing the latest X671B-H331EF-S-GL-220527V603 Android 12 on Infinix Note 12 Pro 5G X671B in the guide below. This Stock ROM’s download link has been added to the pre-requisite section. If you did not receive the Stock or.img file via OTA update, you can simply flash it manually with SP Flash Tools.

Firmware Details:

Android Version: Android 12

Device Name: Infinix Note 12 Pro 5G X671B

SoC: MediaTek MT6833P

Processor: Octa-core (2×2.4 GHz Cortex-A76 & 6×2.0 GHz Cortex-A55)

UI Version: Android 12, XOS 10.6

Firmware Versions: X671B-H331EF-S-GL-220527V603

Model: Infinix Note 12 Pro 5G X671B

Release Date: May 2022

Android security patch level: April 2022

Country: NA

Status: Official

Disclaimer: covers although everything in a very neat and a processed manner so that our readers get exactly what they want, still there are meager chances of basic issues that may arise out of the listed steps here. Hence it is in the sole interest of the user to follow the steps very cautiously so as to stay away from any mishappenings with your device.

Updating or flashing the Stock ROM firmware or Custom ROM firmware updates certainly without any doubt comes with risk to brick devices. If you brick the device, while upgrading the firmware of your smartphone, then kindly be in touch with the Official Service center of Infinix near your location. in no way will be held responsible for warranty void or your bricked device.


Ensure to check your model number, which must be:

  • Infinix Note 12 Pro 5G X671B

You must ensure that before rooting your phone, you have read the disclaimer thoroughly and agree to proceed further with your risk.

  • Phone Should be Charged

Your phone must be at least 70% charged to avoid complications while experimenting. Why take the risk? Try to fully charge it.

  • Back-Up

It is a good practice to make a backup of your phone before rooting it or installing a Custom ROM. Make a backup of all your media, such as images, videos, and everything else on your PC, as well as your contacts, to a microSD card or the cloud.

  • Enable USB Debugging

You must enable USB debugging by going to Settings, Applications, and Developer options.

Downloads For Updating Infinix Note 12 Pro 5G X671B

Download MediaTek USB VCOM Drivers here (MT6xxx_USB_VCOM_drivers. zip)

Download Latest Android 12 Stock ROM for Infinix Note 12 Pro 5G X671B:

Download the Latest Version of the SPFlash Tool for Windows here.

How to update Infinix Note 12 Pro 5G X671B to Android 12 via OTA (Over the air)

Note: Please keep in mind that you will not need to download any of the files listed in the prerequisite section of this article to use this method. If you prefer the OTA method, simply follow the steps below.

You can quickly check the most recent firmware or software for your Infinix Note 12 Pro 5G X671B device by going to:

Settings > About Device > Software Updates

When a new software update is available for your device, the notifications panel will display the software update message. Just you need to pull down the notification bar, and then press ‘Software Update’, and this will begin the upgrade process of device X671B-H331EF-S-GL-220527V603 , based on Android 12.

If you have not received the software update, simply follow the instructions below to manually flash firmware using one of the two methods described below. No matter which method you prefer, however, OTA is a safer method to upgrade your device. But in case you prefer upgrading your device manually, then just carefully follow our below guide step by step.

How to Manually update / flash / unbrick Infinix Note 12 Pro 5G X671B to Android 12 Firmware (Flash File)

Step 1: Begin by downloading all of the files listed in the prerequisite section above.

Step 2: Browse through the downloaded files, then right-click on the zipped file MT6xxx USB VCOM and extract it. Then, navigate to the extracted folder and double-click the file InstallDriver. exe. This will install the Preloader VCOM in your system.

Step 3: Assuming you downloaded SP FlashTool (Win) from the above-mentioned link, simply click and extract the archive. Then, navigate to and run the file flash_tool. exe.

SP Flash Tools Files

Step 4: When the SP Flash Tools window opens, you’ll see tabs like ‘Welcome,’ ‘Format,’ ‘Download,’ ‘Readback,’ and ‘Memory Test.’ Simply select the ‘Download Tab’ option.

Step 5: At this point, on the Download Tab, you should see the options ‘Download Agent’ with a folder icon next to the file path, as well as ‘Scatter-loading’ underneath. Simply open the folder ‘Download Agent,’ navigate to the folder of Flash Tool, open the folder SP_MDT, and select the MTK AllInOneDA.bin file.

Step 6: Now, click the Scatter-loading button and locate the Scatter File from the downloaded Stock Firmware zip file. The file should be named MTxxxx Android scatter.txt [XXXX stands for MediaTek’s Chipset/processor number, for example, 6753].

Step 7: After selecting and loading the MTxxxx Android scatter.txt file under ‘Scatter-loading’ file, simply click the ‘Download’ button.

Step 8: If your device has a removable battery, remove it and then re-insert it. The phone should only be connected to the PC in download mode. Simply hold down the Volume Down and Volume Up buttons at the same time to enter into Download Mode, and then connect the device to the computer via a USB cable. Volume Down+Volume Up must be pressed continuously until the PC recognises the device.

Step 9: Connect your Infinix Note 12 Pro 5G X671B to the computer via the USB port. The flashing procedure starts immediately when your smartphone is connected and just takes a few seconds to complete.

Step 10: At this point in the latest Stock Firmware Android 12 on your Infinix Note 12 Pro 5G X671B device has been flashed. Now, you may disconnect the device from the computer. You will see the message with the ‘Green Check mark’ with the ‘Download OK’ message.

Step 11: Now, you may disconnect the phone from the computer, and also close the ‘SP Flash Tool’, and turn on the phone, and enjoy the latest firmware.

Congratulations! Your Infinix Note 12 Pro 5G X671B device now runs Android 12. You were able to flash X671B-H331EF-S-GL-220527V603 Stock ROM Firmware on it. Please feel free to share any problems you encountered while flashing in the comments area below.

Ramandeep Singh

Meet Ramandeep Singh, the face behind The Founder and the Ex-Editor-in-Chief (2011-2013) of the renowned website '' which was dedicated to providing the most reliable and comprehensive information and analysis related to technology. A passionate and dynamic blogger, he aims to deliver quality content to IT professionals and those who share his passion for Android, technology and gadgets.

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