Look specifically for ROMs compatible with the H3Q44-V3.0 or H3 Allwinner series. Step-by-Step Flashing Guide MXQ Pro 4K 5G (H3 Allwinner) [Android] - 4PDA
Using a toothpick, press and hidden inside the AV port . firmware tv box mxq pro 4k 5g placa h3q44-v3.0
Use a USB Male-to-Male cable. Connect it to the USB port closest to the SD card slot (usually the "OTG" port). Look specifically for ROMs compatible with the H3Q44-V3
" text on the green PCB. Many look the same outside but have different internals Flashing Tool: Since it uses an Allwinner chipset , you generally need the PhoenixSuite The "Secret" Reset: Connect it to the USB port closest to
For this Allwinner H3 board, you generally cannot update via a simple USB stick; you must use a PC-based "Burning" method.
| Source | File Name | Android Version | Status | | :--- | :--- | :--- | :--- | | | MXQ_4K_RTL8189FTV_20210202.img | 7.1.2 | Works (Wi-Fi OK) | | Aidan's Custom ROM | Aidan_s_MXQ_H3_H3Q44_v3.0.img | 7.1.2 / 9.0 (Treble) | Best compatibility | | Stock backup | H3Q44-V3.0_20180423.img | 6.0.1 | Stable but outdated |