diff --git a/Classes/Base.lproj/DialerView.xib b/Classes/Base.lproj/DialerView.xib
index ddfac9acc..e71288e54 100644
--- a/Classes/Base.lproj/DialerView.xib
+++ b/Classes/Base.lproj/DialerView.xib
@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="16097" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" colorMatched="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="17701" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" colorMatched="YES">
     <device id="retina6_1" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="16087"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="17703"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
@@ -45,7 +46,7 @@
                             <rect key="frame" x="0.0" y="0.0" width="540" height="66"/>
                             <autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMaxY="YES"/>
                             <subviews>
-                                <textField opaque="NO" clearsContextBeforeDrawing="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="left" contentVerticalAlignment="center" placeholder="Enter a number or an address" adjustsFontForContentSizeCategory="YES" adjustsFontSizeToFit="NO" minimumFontSize="5" translatesAutoresizingMaskIntoConstraints="NO" id="4" userLabel="addressField" customClass="UIAddressTextField">
+                                <textField opaque="NO" clearsContextBeforeDrawing="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="left" contentVerticalAlignment="center" placeholder="Enter a number or an address" adjustsFontForContentSizeCategory="YES" adjustsFontSizeToFit="NO" minimumFontSize="15" translatesAutoresizingMaskIntoConstraints="NO" id="4" userLabel="addressField" customClass="UIAddressTextField">
                                     <rect key="frame" x="31" y="0.0" width="426" height="66"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES" flexibleMaxY="YES"/>
                                     <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.0" colorSpace="custom" customColorSpace="sRGB"/>
@@ -70,7 +71,7 @@
                                     </connections>
                                 </button>
                             </subviews>
-                            <color key="backgroundColor" systemColor="secondarySystemBackgroundColor" red="0.94901960780000005" green="0.94901960780000005" blue="0.96862745100000003" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                            <color key="backgroundColor" systemColor="secondarySystemBackgroundColor"/>
                         </view>
                         <imageView userInteractionEnabled="NO" tag="2" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" image="dialer_background.png" translatesAutoresizingMaskIntoConstraints="NO" id="AH0-S5-0Ku" userLabel="logoImage">
                             <rect key="frame" x="100" y="279" width="340" height="294"/>
@@ -238,7 +239,7 @@
                                     </connections>
                                 </button>
                             </subviews>
-                            <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
+                            <color key="backgroundColor" systemColor="systemBackgroundColor"/>
                         </view>
                         <view contentMode="scaleToFill" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="182" userLabel="bottomBar">
                             <rect key="frame" x="0.0" y="786" width="540" height="66"/>
@@ -287,7 +288,7 @@
                                     </connections>
                                 </button>
                             </subviews>
-                            <color key="backgroundColor" systemColor="secondarySystemBackgroundColor" red="0.94901960780000005" green="0.94901960780000005" blue="0.96862745100000003" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                            <color key="backgroundColor" systemColor="secondarySystemBackgroundColor"/>
                         </view>
                     </subviews>
                     <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
@@ -338,5 +339,11 @@
         <image name="numpad_over_background.png" width="2" height="2"/>
         <image name="numpad_star_default.png" width="84.800003051757812" height="81.599998474121094"/>
         <image name="numpad_star_over.png" width="84.800003051757812" height="81.599998474121094"/>
+        <systemColor name="secondarySystemBackgroundColor">
+            <color red="0.94901960784313721" green="0.94901960784313721" blue="0.96862745098039216" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+        </systemColor>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
     </resources>
 </document>