diff --git a/Aaru.Archives/Symbian/Info.cs b/Aaru.Archives/Symbian/Info.cs
index d1e94be76..147b8e293 100644
--- a/Aaru.Archives/Symbian/Info.cs
+++ b/Aaru.Archives/Symbian/Info.cs
@@ -30,10 +30,26 @@
 // Copyright © 2011-2023 Natalia Portillo
 // ****************************************************************************/
 
+using System;
+using System.IO;
+
 namespace Aaru.Archives;
 
 public partial class Symbian
 {
+#region IArchive Members
+
+    /// <inheritdoc />
+    public bool Identify(string path) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public bool Identify(Stream stream) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public bool Identify(byte[] buffer) => throw new NotImplementedException();
+
+#endregion
+
     /*
         public override bool Identify(FileStream fileStream, long offset)
         {
diff --git a/Aaru.Archives/Symbian/Symbian.cs b/Aaru.Archives/Symbian/Symbian.cs
index c1520c002..7b5c61352 100644
--- a/Aaru.Archives/Symbian/Symbian.cs
+++ b/Aaru.Archives/Symbian/Symbian.cs
@@ -31,14 +31,20 @@
 // ****************************************************************************/
 
 using System;
+using Aaru.CommonTypes.Interfaces;
 
 namespace Aaru.Archives;
 
 // Information from http://www.thoukydides.webspace.virginmedia.com/software/psifs/sis.html
-public partial class Symbian
+public partial class Symbian : IArchive
 {
     const  string MODULE_NAME = "Symbian Installation File Plugin";
-    public string Name   => Filters.Localization.Symbian_Name;
-    public Guid   Id     => new("0EC84EC7-EAE6-4196-83FE-943B3FE48DBD");
     public string Author => Authors.NataliaPortillo;
+
+#region IArchive Members
+
+    public string Name => Filters.Localization.Symbian_Name;
+    public Guid   Id   => new("0EC84EC7-EAE6-4196-83FE-943B3FE48DBD");
+
+#endregion
 }
\ No newline at end of file
diff --git a/Aaru.Archives/Symbian/Unsupported.cs b/Aaru.Archives/Symbian/Unsupported.cs
new file mode 100644
index 000000000..f424d106e
--- /dev/null
+++ b/Aaru.Archives/Symbian/Unsupported.cs
@@ -0,0 +1,101 @@
+// /***************************************************************************
+// Aaru Data Preservation Suite
+// ----------------------------------------------------------------------------
+//
+// Filename       : Symbian.cs
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// Component      : Symbian plugin.
+//
+// --[ Description ] ----------------------------------------------------------
+//
+//     Identifies Symbian installer (.sis) packages and shows information.
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This library is free software; you can redistribute it and/or modify
+//     it under the terms of the GNU Lesser General Public License as
+//     published by the Free Software Foundation; either version 2.1 of the
+//     License, or (at your option) any later version.
+//
+//     This library is distributed in the hope that it will be useful, but
+//     WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+//     Lesser General Public License for more details.
+//
+//     You should have received a copy of the GNU Lesser General Public
+//     License along with this library; if not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2011-2023 Natalia Portillo
+// ****************************************************************************/
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.IO;
+using Aaru.CommonTypes.Enums;
+using Aaru.CommonTypes.Interfaces;
+
+namespace Aaru.Archives;
+
+[SuppressMessage("ReSharper", "UnusedType.Global")]
+[SuppressMessage("ReSharper", "UnusedMember.Local")]
+public partial class Symbian
+{
+#region IArchive Members
+
+    /// <inheritdoc />
+    public ErrorNumber Open(string path) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber Open(Stream stream) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber Open(byte[] buffer) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public bool IsOpened() => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public void Close()
+    {
+        throw new NotImplementedException();
+    }
+
+    /// <inheritdoc />
+    public ArchiveSupportedFeature GetArchiveFeatures() => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public int GetNumberOfEntries() => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public string GetFilename(int entryNumber) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public int GetEntryNumber(string fileName, bool caseInsensitiveMatch) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public long GetCompressedSize(int entryNumber) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public long GetUncompressedSize(int entryNumber) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public FileAttributes GetAttributes(int entryNumber) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public List<string> GetXAttrs(int entryNumber) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public ErrorNumber GetXattr(int entryNumber, string xattr, out byte[] buffer) =>
+        throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public FileSystemInfo Stat(int entryNumber) => throw new NotImplementedException();
+
+    /// <inheritdoc />
+    public IFilter GetEntry(int entryNumber) => throw new NotImplementedException();
+
+#endregion
+}
\ No newline at end of file