Not able to select value from UIPickerWheel in real device

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Hi,

I am not able to select the value from UIPickerWheel in iOS real device.I tried below commands.It works only in simulator not in device.Can any one please help me on this.Have attached screenshot as well.

WebElement el = driver.findElement(By.xpath("//UIAApplication[1]/UIAWindow[2]/UIAPicker[1]/UIAPickerWheel[1]"));
el.sendKeys(“Mrs.”);

Also I tried like below as well.

WebElement el = driver.findElement(By.xpath("//UIAApplication[1]/UIAWindow[2]/UIAPicker[1]/UIAPickerWheel[1]"));
el.getAttribute(“values”);
el.sendKeys(“Mrs.”);

el.getAttribute(“values”) returning empty array.But in simulator ,returning all the values.