diff --git a/Models/Iphone.cs b/Models/Iphone.cs
index 88213bf7d..1f1468b97 100644
--- a/Models/Iphone.cs
+++ b/Models/Iphone.cs
@@ -1,8 +1,13 @@
 namespace DesafioPOO.Models
 {
-    // TODO: Herdar da classe "Smartphone"
-    public class Iphone
+    public class Iphone : Smartphone
     {
-        // TODO: Sobrescrever o método "InstalarAplicativo"
+        public Iphone(string numero, string modelo, string imei, int memoria) : base(numero, modelo, imei, memoria)
+        {
+        }
+        public override void InstalarAplicativo(string nomeApp)
+        {
+            Console.WriteLine($"Instalando aplicativo '{nomeApp}', no Iphone");
+        }
     }
 }
\ No newline at end of file
diff --git a/Models/Nokia.cs b/Models/Nokia.cs
index 5636bdb6a..d419b12cf 100644
--- a/Models/Nokia.cs
+++ b/Models/Nokia.cs
@@ -1,8 +1,13 @@
 namespace DesafioPOO.Models
 {
-    // TODO: Herdar da classe "Smartphone"
-    public class Nokia
+    public class Nokia : Smartphone
     {
-        // TODO: Sobrescrever o método "InstalarAplicativo"
+        public Nokia(string numero, string modelo, string imei, int memoria) : base(numero, modelo, imei, memoria)
+        {
+        }
+        public override void InstalarAplicativo(string nomeApp)
+        {
+            Console.WriteLine($"Instalando aplicativo '{nomeApp}', no Nokia \n");
+        }
     }
 }
\ No newline at end of file
diff --git a/Models/Smartphone.cs b/Models/Smartphone.cs
index 12ea67437..917986768 100644
--- a/Models/Smartphone.cs
+++ b/Models/Smartphone.cs
@@ -3,12 +3,19 @@ namespace DesafioPOO.Models
     public abstract class Smartphone
     {
         public string Numero { get; set; }
-        // TODO: Implementar as propriedades faltantes de acordo com o diagrama
+        private string Modelo;
+        private string Imei;
+        private int Memoria;
 
-        public Smartphone(string numero)
+        public Smartphone(string numero, string modelo, string imei, int memoria)
         {
             Numero = numero;
-            // TODO: Passar os parâmetros do construtor para as propriedades
+
+            Modelo = modelo;
+
+            Imei = imei;
+
+            Memoria = memoria;
         }
 
         public void Ligar()
diff --git a/Program.cs b/Program.cs
index 34e01093d..e532ccdc1 100644
--- a/Program.cs
+++ b/Program.cs
@@ -1,3 +1,13 @@
 using DesafioPOO.Models;
 
-// TODO: Realizar os testes com as classes Nokia e Iphone
\ No newline at end of file
+Smartphone nokia = new Nokia(numero: "12345678", modelo: "C21 Plus", imei: "0000", memoria: 126);
+Console.WriteLine("Nokia:");
+nokia.Ligar();
+nokia.ReceberLigacao();
+nokia.InstalarAplicativo("Instagram");
+
+Smartphone iphone = new Iphone(numero: "12345678", modelo: "15 Pro Max", imei: "111111", memoria: 256);
+Console.WriteLine("Iphone:");
+iphone.Ligar();
+iphone.ReceberLigacao();
+iphone.InstalarAplicativo("Tiktok");
\ No newline at end of file
diff --git a/trilha-net-poo-desafio.sln b/trilha-net-poo-desafio.sln
new file mode 100644
index 000000000..e63240af7
--- /dev/null
+++ b/trilha-net-poo-desafio.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.002.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DesafioPOO", "DesafioPOO.csproj", "{4CD93C96-C9F1-4F14-9D1D-1C7FEC4F60C3}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{4CD93C96-C9F1-4F14-9D1D-1C7FEC4F60C3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4CD93C96-C9F1-4F14-9D1D-1C7FEC4F60C3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4CD93C96-C9F1-4F14-9D1D-1C7FEC4F60C3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4CD93C96-C9F1-4F14-9D1D-1C7FEC4F60C3}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {08F703DC-4828-488C-B0B4-4CA654837AC8}
+	EndGlobalSection
+EndGlobal