diff --git a/Models/Iphone.cs b/Models/Iphone.cs
index 88213bf7d..4ed01e5c1 100644
--- a/Models/Iphone.cs
+++ b/Models/Iphone.cs
@@ -1,8 +1,18 @@
 namespace DesafioPOO.Models
 {
+    public class Iphone : Smartphone
+    {
+        public Iphone(string numero, string modelo, string imei, int memoria) : base(numero, modelo, imei, memoria) 
+        {
+            
+        }
+    
     // TODO: Herdar da classe "Smartphone"
-    public class Iphone
+    public override void InstalarAplicativo(string nome)
     {
+        Console.WriteLine($"Instalando {nome} no Iphone.");
         // TODO: Sobrescrever o método "InstalarAplicativo"
     }
+}
+
 }
\ No newline at end of file
diff --git a/Models/Nokia.cs b/Models/Nokia.cs
index 5636bdb6a..91cf6afe5 100644
--- a/Models/Nokia.cs
+++ b/Models/Nokia.cs
@@ -1,8 +1,19 @@
+using System.ComponentModel;
+using System.Security.Cryptography.X509Certificates;
 namespace DesafioPOO.Models
+{
+
+
+public class Nokia : Smartphone
 {
     // TODO: Herdar da classe "Smartphone"
-    public class Nokia
+    public Nokia(string numero, string modelo, string imei, int memoria) : base(numero, modelo, imei, memoria)
     {
+    }    
+       public override void InstalarAplicativo(string nome)
+       {
+        Console.WriteLine($"Instalando {nome} no Nokia.");
+       }
         // TODO: Sobrescrever o método "InstalarAplicativo"
     }
 }
\ No newline at end of file
diff --git a/Models/Smartphone.cs b/Models/Smartphone.cs
index 12ea67437..af1b70821 100644
--- a/Models/Smartphone.cs
+++ b/Models/Smartphone.cs
@@ -1,13 +1,21 @@
+using System.Dynamic;
+
 namespace DesafioPOO.Models
 {
     public abstract class Smartphone
     {
         public string Numero { get; set; }
+        private string Modelo { get; set;}
+        private string IMEI {get; set;}
+        private int Memoria {get; set;}
         // TODO: Implementar as propriedades faltantes de acordo com o diagrama
 
-        public Smartphone(string numero)
+        public Smartphone(string numero, string modelo, string imei, int memoria)
         {
             Numero = numero;
+            Modelo = modelo;
+            IMEI = imei;
+            Memoria = memoria;
             // TODO: Passar os parâmetros do construtor para as propriedades
         }
 
diff --git a/Program.cs b/Program.cs
index 34e01093d..a2c131488 100644
--- a/Program.cs
+++ b/Program.cs
@@ -1,3 +1,20 @@
 using DesafioPOO.Models;
 
+public class Program
+{
+    public static void Main(string[] args)
+    {
+        // Criando um objeto do tipo Nokia
+        Nokia nokia = new Nokia("123456789", "Nokia 3310", "123456789IMEI", 64);
+        nokia.Ligar();
+        nokia.ReceberLigacao();
+        nokia.InstalarAplicativo("WhatsApp");
+
+        // Criando um objeto do tipo Iphone
+        Iphone iphone = new Iphone("987654321", "iPhone X", "987654321IMEI", 128);
+        iphone.Ligar();
+        iphone.ReceberLigacao();
+        iphone.InstalarAplicativo("Instagram");
+    }
+}
 // TODO: Realizar os testes com as classes Nokia e Iphone
\ 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..3e482e7d0
--- /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", "{78FB3313-EDD8-424A-ACC9-18815D78749D}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{78FB3313-EDD8-424A-ACC9-18815D78749D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{78FB3313-EDD8-424A-ACC9-18815D78749D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{78FB3313-EDD8-424A-ACC9-18815D78749D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{78FB3313-EDD8-424A-ACC9-18815D78749D}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {C3090D4C-6C20-427A-B542-D09C14421325}
+	EndGlobalSection
+EndGlobal