sq8 sq mini dv camera tear down,problem overheating (warning before buy)

i love design and camera quality fair in price BUT sadly ....it have too much overheating problem, and software stuck made camera halt stuck and need reset ,made camera in end multifunction,or TOTALLY CRAP
after use 1 time it didn't work anymore only red light on,no charging no function it have many issues avoid to buy
many people have same problems
Update 4April 2016 : I get full refund after open case at aliexpress 18.30$ around. back ,
new sq9 SQ9 mini dv camcorder arrived