diff --git a/README.md b/README.md
index ff40e98..8ddcfd2 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ If the account already exists and has enabled two-step verification (2FA) a **pa
 All these login scenarios are handled automatically within the call to `LoginUserIfNeeded`.
 
 And that's it, you now have access to the **[full range of Telegram Client APIs](https://corefork.telegram.org/methods)**. 
-All those API methods are available in the `TL` namespace *(with an underscore in the method name, instead of a dot)*, like this: `await client.Method_Name(...)`
+All those API methods require `using TL;` namespace and are called with an underscore instead of a dot in the method name, like this: `await client.Method_Name(...)`
 
 # Saved session
 If you run this program again, you will notice that only **api_hash** is requested, the other prompts are gone and you are automatically logged-on and ready to go.
diff --git a/src/Client.cs b/src/Client.cs
index 6f62533..b330d0c 100644
--- a/src/Client.cs
+++ b/src/Client.cs
@@ -164,6 +164,8 @@ namespace WTelegram
 			GC.SuppressFinalize(this);
 		}
 
+		public void DisableUpdates(bool disable = true) => _dcSession.DisableUpdates(disable);
+
 		/// <summary>Disconnect from Telegram <i>(shouldn't be needed in normal usage)</i></summary>
 		/// <param name="resetUser">Forget about logged-in user</param>
 		/// <param name="resetSessions">Disconnect secondary sessions with other DCs</param>
@@ -902,7 +904,7 @@ namespace WTelegram
 			{
 				try
 				{
-					var users = await this.Users_GetUsers(new[] { InputUser.Self }); // this calls also reenable incoming Updates
+					var users = await this.Users_GetUsers(new[] { InputUser.Self }); // this call also reenable incoming Updates
 					var self = users[0] as User;
 					// check user_id or phone_number match currently logged-in user
 					if ((long.TryParse(_config("user_id"), out long id) && (id == -1 || self.id == id)) ||
@@ -1135,6 +1137,8 @@ namespace WTelegram
 		/// <returns>Wait for the reply and return the resulting object, or throws an RpcException if an error was replied</returns>
 		public async Task<T> Invoke<T>(IMethod<T> query)
 		{
+			if (_dcSession.WithoutUpdates && query is not IMethod<Pong>)
+				query = new TL.Methods.InvokeWithoutUpdates<T> { query = query };
 			bool got503 = false;
 		retry:
 			var rpc = new Rpc { type = typeof(T) };
diff --git a/src/Session.cs b/src/Session.cs
index 09d5a61..dee39b2 100644
--- a/src/Session.cs
+++ b/src/Session.cs
@@ -28,12 +28,14 @@ namespace WTelegram
 			public long ServerTicksOffset;
 			public long LastSentMsgId;
 			public TL.DcOption DataCenter;
+			public bool WithoutUpdates;
 
 			internal Client Client;
 			internal int DcID => DataCenter?.id ?? 0;
 			internal IPEndPoint EndPoint => DataCenter == null ? null : new(IPAddress.Parse(DataCenter.ip_address), DataCenter.port);
 			internal void Renew() { Helpers.Log(3, $"Renewing session on DC {DcID}..."); Id = Helpers.RandomLong(); Seqno = 0; LastSentMsgId = 0; }
-			
+			public void DisableUpdates(bool disable = true) { if (WithoutUpdates != disable) { WithoutUpdates = disable; Renew(); } }
+
 			const int msgIdsN = 512;
 			private long[] msgIds;
 			private int msgIdsHead;