diff --git a/.gitignore b/.gitignore
index 8a30d258e..5fbe55bcd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 ##
 ## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore
 
+*.sln
 # User-specific files
 *.rsuser
 *.suo
diff --git a/DesafioPOO.csproj b/DesafioPOO.csproj
index 5eb1e8455..c1368a7f9 100644
--- a/DesafioPOO.csproj
+++ b/DesafioPOO.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>disable</Nullable>
   </PropertyGroup>
diff --git a/Models/Iphone.cs b/Models/Iphone.cs
index 88213bf7d..eaaf02641 100644
--- a/Models/Iphone.cs
+++ b/Models/Iphone.cs
@@ -1,8 +1,15 @@
 namespace DesafioPOO.Models
 {
     // TODO: Herdar da classe "Smartphone"
-    public class Iphone
+    public class Iphone : Smartphone
     {
+        public Iphone(string numero, string modelo, string imei,int memoria): base(numero,modelo,imei,memoria)
+        {
+            // TODO: Passar os parâmetros do construtor para as propriedades
+        }
         // TODO: Sobrescrever o método "InstalarAplicativo"
+        public override void InstalarAplicativo(string nomeApp){
+                Console.WriteLine($"{nomeApp} instalado no Iphone");
+        }
     }
 }
\ No newline at end of file
diff --git a/Models/Nokia.cs b/Models/Nokia.cs
index 5636bdb6a..5a1c58af0 100644
--- a/Models/Nokia.cs
+++ b/Models/Nokia.cs
@@ -1,8 +1,15 @@
 namespace DesafioPOO.Models
 {
     // TODO: Herdar da classe "Smartphone"
-    public class Nokia
+    public class Nokia: Smartphone
     {
+        public Nokia(string numero, string modelo, string imei,int memoria): base(numero,modelo,imei,memoria)
+        {
+    
+        }
         // TODO: Sobrescrever o método "InstalarAplicativo"
+        public override void InstalarAplicativo(string nomeApp){
+                Console.WriteLine($"{nomeApp} instalado no Nokia");
+        }
     }
 }
\ No newline at end of file
diff --git a/Models/Smartphone.cs b/Models/Smartphone.cs
index 12ea67437..704fa50d0 100644
--- a/Models/Smartphone.cs
+++ b/Models/Smartphone.cs
@@ -4,10 +4,16 @@ public abstract class Smartphone
     {
         public string Numero { get; set; }
         // TODO: Implementar as propriedades faltantes de acordo com o diagrama
-
-        public Smartphone(string numero)
+        private string Modelo ;
+        private string IMEI;
+        private int Memoria;
+        
+        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..02e2d9e97 100644
--- a/Program.cs
+++ b/Program.cs
@@ -1,3 +1,16 @@
 using DesafioPOO.Models;
 
-// TODO: Realizar os testes com as classes Nokia e Iphone
\ No newline at end of file
+// TODO: Realizar os testes com as classes Nokia e Iphone
+
+Smartphone nokia=new Nokia("123","1","2",4);
+
+Smartphone iphone=new Iphone("321","412323","34545",4);
+
+nokia.InstalarAplicativo("Whatsapp");
+nokia.Ligar();
+nokia.ReceberLigacao();
+
+
+iphone.InstalarAplicativo("Whatsapp");
+iphone.Ligar();
+iphone.ReceberLigacao();
\ 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..84b558b44
--- /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", "{E4C4E06B-D99D-41E3-8D2C-0FD412668CFF}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E4C4E06B-D99D-41E3-8D2C-0FD412668CFF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E4C4E06B-D99D-41E3-8D2C-0FD412668CFF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E4C4E06B-D99D-41E3-8D2C-0FD412668CFF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E4C4E06B-D99D-41E3-8D2C-0FD412668CFF}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {8F8D012F-D8FD-4E3C-846C-FA4CD3793144}
+	EndGlobalSection
+EndGlobal