hi , sort of lost here, I was givent an HS110G as a Christmas present. Tried it on Christmas day couple of hours worked fine put in the box got it out today and after following all the start up procedures ( compass gps etc etc ) press the take off button an the drone flip over !! checked propellers , ( not removed them from last time so are in the correct way round) . After table testing it looks like one motor run slower ie. I tried to hold it and again when applying power the motor in discussion can be seen running with less power (ie slower) . Nothing changed nobody used it left in box for few days now doesn't run. I bought from amazon and was surprised only get 30 days return !! any ideas ? thanks