: Custom ROMs like those from Armbian often include patches to enable stable booting and operation from internal eMMC rather than slower, heat-generating SD cards.
: Splice a 5V USB cooling fan to the top of the plastic case. Drill small ventilation holes directly above the processor to pull hot air out. allwinner h6 custom rom hot
Press and hold the Reset button using a toothpick or paperclip. : Custom ROMs like those from Armbian often