Use the MTK Client / Bypass Utility to bypass the preloader restriction if the SP Flash tool shows error codes related to SEC_ERROR . Conclusion
You must prepare a Windows PC and gather the correct software tools. Do not mix your device variant (e.g., X6871) with other models.
If these basic steps fail, your phone is likely bricked and needs more advanced recovery methods. How to Unbrick INFINIX GT 20 Pro
A "Soft Brick" usually means the phone is stuck in a boot loop (Infinix logo) or boots to a "No Command" screen. A "Hard Brick" means the phone appears dead and will not turn on, but is recognized by a computer.
The utility software used to push the firmware files to the phone. Use the MTK Client / Bypass Utility to
For devices that do not turn on but are recognized by a computer as a MediaTek USB Port (COM#)
Release the volume buttons as soon as you see a colored progress bar (usually red, followed by yellow) appear at the bottom of the SP Flash Tool screen. This confirms the tool has initiated flashing. If these basic steps fail, your phone is
If you have never flashed a MediaTek device before, you must install the drivers first.
Wait until the flashing progress reaches 100%. A pop-up dialog box containing a large or Download OK alert will display on screen. Disconnect your phone safely from the USB cable.
Before attempting any fixes, it's crucial to identify your brick type, as this determines the required recovery method.
Start with these non-invasive methods. They often resolve simple brick issues.