The "R29 MXQ LP3 V23" firmware is real, but it's not a single file—it's a hardware signature . And the only place it's truly "exclusive" is inside that one specific batch of Chinese Android boxes made on a Tuesday in 2021.
: Since this is a community or "exclusive" leaked build, there is no official recourse if the flash fails. Final Verdict r29 mxq lp3 v23 firmware exclusive