Before flashing, verify these internal details by opening your box: H3Q44-V3.0 (also commonly seen as Q44-V3.0). Processor: Allwinner Tech H3 @ 1.1Ghz. WiFi Chip: Often uses the SV6256P module for 5G support.
To give you the exact file, I need to identify the processor inside it. The "5G" in the name is usually just a marketing trick (it means 5GHz Wi-Fi, not 5G cellular), and these boxes usually come with one of two chips: or Rockchip RK3318 . firmware tv box mxq pro 4k 5g placa h3q44-v3.0
: Allwinner H3 (verified by the "H3" prefix in the board ID). Before flashing, verify these internal details by opening
You have the wrong firmware version. Try a different build for H3Q44-V3.0. not 5G cellular)