I've got a QC802 key from chinavision which I flashed with the neomode custom rom, but the key rebooted quickly.
I guess it was a overheating problem, so I tried a 1.2GHz underclocked kernel and it still rebooted.
I bought copper ram heatsinks and used them to cool my chip. Now it's looks like this :

The 1.2GHz kernel worked fine for about 1 hour, but heatsink goes very hot.
I tried the normal kernel and unfortunately the key rebooted 20s after the main screen appeared.
It's quite hot these days in south of France, but I don't think it's normal for a rk3188 having a such heating production : in comparison my cube U30GT2 works perfectly and is barely warm in intensive use !
Since I guess I blown my waranty

If not, I'm looking for a 3cm 5V fan, like the one used by the guy to cool its 1.92GHz overclocked key on youtube. I found this one but I find it far too expensive, I think it could be found at ~5€ or less.
Thanks.
[EDIT]
Btw, is possible to monitor the cpu temp ?
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