hi guys, got the vamo v5 about a week ago having moved on from 510 e-cigs to the mod side of vaping, a couple of things with mine, i am running a kanger twin coil tank on 5v 11w wich gives me a good vape but now and again the vamo wanders up to the 6v setting by it's self? Then i get the burnt taste obviously and have to knock it back to 5v, anyone else had this? Also if you swith off the display does this render the menue buttons inoperative so as not to move any settings when i put it down or slip in to my pocket for a minute? Other than these hiccups i am pleased with the vamo so far.