Arregla tamaño de imagen

ContactsApp/Base.lproj/Main.storyboard

@@ -72,7 +72,7 @@
                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="SSh-qK-Te0">
+                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="SSh-qK-Te0">
                                 <rect key="frame" x="137" y="69" width="100" height="100"/>
                                 <constraints>
                                     <constraint firstAttribute="height" constant="100" id="n9x-Ru-z25"/>

ContactsApp/SingleContactViewController.swift

@@ -39,7 +39,10 @@ class SingleContactViewController: UIViewController {
                 otherPhoneNumber.isHidden = false
             }
             if let image = contact.imageData {
-                profilePic.layer.cornerRadius = profilePic.frame.height / 2
+                profilePic.layer.cornerRadius = (profilePic?.frame.width ?? 0.0) / 2
+                profilePic.clipsToBounds = true
+                profilePic.layer.borderWidth = 3.0
+                profilePic?.layer.borderColor = UIColor.white.cgColor
                 if let imageData = UIImage(data: image){
                     profilePic.image = imageData
                 }