There is a variant called H3Q44V30-L or V3.1 . If you have that, the WiFi chip differs slightly. We will address this in the driver section. Step 2: Where to Find the Correct Firmware (Direct Downloads) Do not download from pop-up-heavy "driver" websites. Most links are dead. Based on community testing (4PDA, FreakTab, XDA), here are the working file names for the H3Q44V30 board:
Check your board again. If it says H3Q44V30-H or H3Q44V30-V2 , comment below – the WiFi driver changes entirely. Disclaimer: Flashing firmwares carries a risk of permanent hardware damage. This guide is for educational purposes. Always verify your PCB revision matches "H3Q44V30" exactly before proceeding. firmware tv box mxq pro 4k 5g placa h3q44v30
MXQ_Pro_4K_5G_H3Q44V30_S905W_20180813.img Alternative Build: H3Q44V30_Android_7.1.2_AP6212A_S905W.img There is a variant called H3Q44V30-L or V3