diff --git a/Tests/DeviceModelTests.swift b/Tests/DeviceModelTests.swift
index 0276e71..a197159 100644
--- a/Tests/DeviceModelTests.swift
+++ b/Tests/DeviceModelTests.swift
@@ -136,6 +136,21 @@ class DeviceModelTests: XCTestCase {
         XCTAssert(deviceModel == .iPhoneXR , "DeviceModel - .iPhoneXR is failing")
     }
     
+    func testDeviceModelIPhone11Pro() {
+        let deviceModel = DeviceModel(identifier: Identifier("iPhone12,3"))
+        XCTAssert(deviceModel == .iPhone11Pro , "DeviceModel - .iPhone11Pro is failing")
+    }
+    
+    func testDeviceModelIPhone11ProMax() {
+        let deviceModel = DeviceModel(identifier: Identifier("iPhone12,5"))
+        XCTAssert(deviceModel == .iPhone11ProMax , "DeviceModel - .iPhone11ProMax is failing")
+    }
+    
+    func testDeviceModelIPhone11() {
+        let deviceModel = DeviceModel(identifier: Identifier("iPhone12,1"))
+        XCTAssert(deviceModel == .iPhone11 , "DeviceModel - .iPhone11 is failing")
+    }
+    
     // MARK: - iPad Device Model tests
     
     func testDeviceModelIPadFirstGen() {
diff --git a/Tests/IdentifierTests.swift b/Tests/IdentifierTests.swift
index 610a55c..63c9a0e 100644
--- a/Tests/IdentifierTests.swift
+++ b/Tests/IdentifierTests.swift
@@ -90,6 +90,18 @@ class IdentifierTests: XCTestCase {
 
     // MARK: - iPhone String Description tests
     
+    func testDisplayStringiPhone12v5() {
+        XCTAssert(Identifier("iPhone12,5").description == "iPhone 11 Pro Max", "iPhone12,5 is failing to produce a common device model string")
+    }
+    
+    func testDisplayStringiPhone12v3() {
+        XCTAssert(Identifier("iPhone12,3").description == "iPhone 11 Pro", "iPhone12,3 is failing to produce a common device model string")
+    }
+    
+    func testDisplayStringiPhone12v1() {
+        XCTAssert(Identifier("iPhone12,1").description == "iPhone 11", "iPhone12,1 is failing to produce a common device model string")
+    }
+    
     func testDisplayStringiPhone11v8() {
         XCTAssert(Identifier("iPhone11,8").description == "iPhone XR", "iPhone11,8 is failing to produce a common device model string")
     }