UITextField - Rounded corner issue
Just remove this line...
mobileNumberField.borderStyle = UITextBorderStyleRoundedRect;
and add this code also..
[mobileNumberField setBackgroundColor:[UIColor whiteColor]];
[mobileNumberField.layer setBorderColor:[UIColor grayColor].CGColor];
[mobileNumberField.layer setBorderWidth:1.0];
Update your like below.
UITextField *mobileNumberField = [[UITextField alloc] initWithFrame:CGRectMake(10, 195, 300, 41)];
mobileNumberField.delegate = self;
mobileNumberField.layer.borderWidth = 1.0f;
mobileNumberField.layer.borderColor = [UIColor lightGrayColor].CGColor;
mobileNumberField.
// mobileNumberField.borderStyle = UITextBorderStyleRoundedRect;
[mobileNumberField.layer setCornerRadius:14.0f];
mobileNumberField.placeholder = @"Mobile Number";
[self.paymentsHomeView addSubview:mobileNumberField];