Needed? Hmm, most folks don't have a fan for it... But for me, I see good improvements on the battery and obviously heat. Keeps it around 120 F (49 C) vs 150F (66 C) + without the fan
I'm pretty sure this is the device John Connor pulls out in Terminator 2 to hack the ATM machine.
@qkall @linuxphones @PINE64
Some lines are MEANT to be crossed.