setCenter moves to wrong position on device only
-(void)move:(id)sender {
[[[(UITapGestureRecognizer*)sender view] layer] removeAllAnimations];
[self.frameView bringSubviewToFront:[(UIPanGestureRecognizer*)sender view]];
CGPoint translatedPoint = [(UIPanGestureRecognizer*)sender translationInView:self.view];

if([(UIPanGestureRecognizer*)sender state] == UIGestureRecognizerStateBegan) {
    firstX = [[sender view] center].x;
    firstY = [[sender view] center].y;
}

translatedPoint = CGPointMake(firstX+translatedPoint.x, firstY+translatedPoint.y);
[[sender view] setCenter:translatedPoint];

if([(UIPanGestureRecognizer*)sender state] == UIGestureRecognizerStateEnded) {
    CGFloat finalX = translatedPoint.x;
    CGFloat finalY = translatedPoint.y;
    // NSLog(@"final y,y %1.1f, %1.1f", finalX, finalY);


    // prevent from going off screen
    if(finalX < 10) {
        finalX = 10;
    }

    else if(finalX > 270) {
        finalX = 270;
    }

    if(finalY < 10) {
        finalY = 10;
    }

    else if(finalY > 186) {
        finalY = 186;
    }


    [UIView animateWithDuration:0.3
                     animations:^{
                         [[sender view] setCenter:CGPointMake(finalX, finalY)];
                     }
                     completion:^(BOOL finished){
                     }];