Create your own cell separator and add it to your cell
UIImageView *customSeperator=[[UIImageView alloc]initWithImage:[UIImage imageNamed:@"YourOnePixelImg.png"]];
[customSeperator setFrame:CGRectMake(0, cell.frame.size.height-3, cell.frame.size.width, 2)];
[cell addSubview:customSeperator];
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