diff --git a/FAQ.md b/FAQ.md
index 5e3dea8..0b4d1c5 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -292,6 +292,8 @@ Here are the recommended actions to fix your problem:
 	}
 	```
 
+Also, remember to add a `using TL;` at the top of your files to have access to all the Telegram API methods.
+
 <a name="troubleshoot"></a>
 ## Troubleshooting guide
 
diff --git a/src/SecretChats.cs b/src/SecretChats.cs
index 701619f..8065b5f 100644
--- a/src/SecretChats.cs
+++ b/src/SecretChats.cs
@@ -588,12 +588,8 @@ namespace WTelegram
 			fingerprint ^= fingerprint >> 32;
 
 			using var ige = new AES_IGE_Stream(stream, aes_key, aes_iv, true);
-			return await client.UploadFileAsync(ige, null, progress) switch
-			{
-				InputFile ifl => new InputEncryptedFileUploaded { id = ifl.id, parts = ifl.parts, md5_checksum = ifl.md5_checksum, key_fingerprint = (int)fingerprint },
-				InputFileBig ifb => new InputEncryptedFileBigUploaded { id = ifb.id, parts = ifb.parts, key_fingerprint = (int)fingerprint },
-				_ => null
-			};
+			var inputFile = await client.UploadFileAsync(ige, null, progress);
+			return inputFile.ToInputEncryptedFile((int)fingerprint);
 		}
 
 		/// <summary>Download and decrypt an encrypted file from Telegram Secret Chat into the outputStream</summary>
diff --git a/src/TL.Helpers.cs b/src/TL.Helpers.cs
index aad124b..529ec5d 100644
--- a/src/TL.Helpers.cs
+++ b/src/TL.Helpers.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Web;
@@ -57,6 +58,14 @@ namespace TL
 	{
 		public abstract InputEncryptedFileBase ToInputEncryptedFile(int key_fingerprint);
 		public abstract InputSecureFileBase ToInputSecureFile(byte[] file_hash, byte[] secret);
+		/// <param name="isSquareVideo10s"><see langword="false"/> for a profile photo. <see langword="null"/> for auto-detection<br/><see langword="true"/> for a profile video. The video <u>MUST</u> be square and 10 seconds max</param>
+		public InputChatUploadedPhoto ToInputChatPhoto(bool? isSquareVideo10s = null)
+		{
+			if (isSquareVideo10s ?? Path.GetExtension(Name)?.ToLowerInvariant() is ".mp4")
+				return new InputChatUploadedPhoto { video = this, flags = InputChatUploadedPhoto.Flags.has_video };
+			else
+				return new InputChatUploadedPhoto { file = this, flags = InputChatUploadedPhoto.Flags.has_file };
+		}
 	}
 	partial class InputFile
 	{