diff --git a/l005/README.md b/l005/README.md
new file mode 100644
index 0000000..323421f
--- /dev/null
+++ b/l005/README.md
@@ -0,0 +1,4 @@
+### Version info
+App|Version/Hash|Date
+---|---|---
+WebArchive|[19 Nov 2013 capture](http://web.archive.org/web/20131119062309/https://core.telegram.org/schema)|n/a
diff --git a/l005/schema.json b/l005/schema.json
new file mode 100644
index 0000000..573c8cf
--- /dev/null
+++ b/l005/schema.json
@@ -0,0 +1,78 @@
+{
+  "constructors": [],
+  "methods": [
+    {
+      "id": "1988976461",
+      "method": "auth.sendCode",
+      "params": [
+        {
+          "name": "phone_number",
+          "type": "string"
+        },
+        {
+          "name": "sms_type",
+          "type": "int"
+        },
+        {
+          "name": "api_id",
+          "type": "int"
+        },
+        {
+          "name": "api_hash",
+          "type": "string"
+        },
+        {
+          "name": "lang_code",
+          "type": "string"
+        }
+      ],
+      "type": "auth.SentCode"
+    },
+    {
+      "id": "1147957548",
+      "method": "account.registerDevice",
+      "params": [
+        {
+          "name": "token_type",
+          "type": "int"
+        },
+        {
+          "name": "token",
+          "type": "string"
+        },
+        {
+          "name": "device_model",
+          "type": "string"
+        },
+        {
+          "name": "system_version",
+          "type": "string"
+        },
+        {
+          "name": "app_version",
+          "type": "string"
+        },
+        {
+          "name": "app_sandbox",
+          "type": "Bool"
+        },
+        {
+          "name": "lang_code",
+          "type": "string"
+        }
+      ],
+      "type": "Bool"
+    },
+    {
+      "id": "1098536878",
+      "method": "invokeWithLayer5",
+      "params": [
+        {
+          "name": "query",
+          "type": "!X"
+        }
+      ],
+      "type": "X"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/l005/schema.tl b/l005/schema.tl
new file mode 100644
index 0000000..ab84d2a
--- /dev/null
+++ b/l005/schema.tl
@@ -0,0 +1,7 @@
+---types---
+---functions---
+// auth.sendCode#d16ff372 phone_number:string sms_type:int api_id:int api_hash:string = auth.SentCode;
+auth.sendCode#768d5f4d phone_number:string sms_type:int api_id:int api_hash:string lang_code:string = auth.SentCode;
+// account.registerDevice#a28557ac token_type:int token:string device_model:string system_version:string app_version:string app_sandbox:Bool = Bool;
+account.registerDevice#446c712c token_type:int token:string device_model:string system_version:string app_version:string app_sandbox:Bool lang_code:string = Bool;
+invokeWithLayer5#417a57ae query:!X = X;
diff --git a/schema.json b/schema.json
index c02b8f7..a4de296 100644
--- a/schema.json
+++ b/schema.json
@@ -3294,7 +3294,7 @@
       "type": "auth.CheckedPhone"
     },
     {
-      "id": "-781192334",
+      "id": "1988976461",
       "method": "auth.sendCode",
       "params": [
         {
@@ -3312,6 +3312,10 @@
         {
           "name": "api_hash",
           "type": "string"
+        },
+        {
+          "name": "lang_code",
+          "type": "string"
         }
       ],
       "type": "auth.SentCode"
@@ -3431,7 +3435,7 @@
       "type": "auth.Authorization"
     },
     {
-      "id": "-1568319572",
+      "id": "1147957548",
       "method": "account.registerDevice",
       "params": [
         {
@@ -3457,6 +3461,10 @@
         {
           "name": "app_sandbox",
           "type": "Bool"
+        },
+        {
+          "name": "lang_code",
+          "type": "string"
         }
       ],
       "type": "Bool"
@@ -4489,6 +4497,17 @@
         }
       ],
       "type": "X"
+    },
+    {
+      "id": "1098536878",
+      "method": "invokeWithLayer5",
+      "params": [
+        {
+          "name": "query",
+          "type": "!X"
+        }
+      ],
+      "type": "X"
     }
   ]
 }
\ No newline at end of file
diff --git a/schema.tl b/schema.tl
index e50b8c8..e8fad36 100644
--- a/schema.tl
+++ b/schema.tl
@@ -207,7 +207,7 @@ invokeAfterMsg#cb9f372d msg_id:long query:!X = X;
 invokeAfterMsgs#3dc4b4f0 msg_ids:Vector<long> query:!X = X;
 invokeWithLayer1#53835315 query:!X = X;
 auth.checkPhone#6fe51dfb phone_number:string = auth.CheckedPhone;
-auth.sendCode#d16ff372 phone_number:string sms_type:int api_id:int api_hash:string = auth.SentCode;
+auth.sendCode#768d5f4d phone_number:string sms_type:int api_id:int api_hash:string lang_code:string = auth.SentCode;
 auth.sendCall#3c51564 phone_number:string phone_code_hash:string = Bool;
 auth.signUp#1b067634 phone_number:string phone_code_hash:string phone_code:string first_name:string last_name:string = auth.Authorization;
 auth.signIn#bcd51581 phone_number:string phone_code_hash:string phone_code:string = auth.Authorization;
@@ -216,7 +216,7 @@ auth.resetAuthorizations#9fab0d1a = Bool;
 auth.sendInvites#771c1d97 phone_numbers:Vector<string> message:string = Bool;
 auth.exportAuthorization#e5bfffcd dc_id:int = auth.ExportedAuthorization;
 auth.importAuthorization#e3ef9613 id:int bytes:bytes = auth.Authorization;
-account.registerDevice#a28557ac token_type:int token:string device_model:string system_version:string app_version:string app_sandbox:Bool = Bool;
+account.registerDevice#446c712c token_type:int token:string device_model:string system_version:string app_version:string app_sandbox:Bool lang_code:string = Bool;
 account.unregisterDevice#65c55b40 token_type:int token:string = Bool;
 account.updateNotifySettings#84be5b93 peer:InputNotifyPeer settings:InputPeerNotifySettings = Bool;
 account.getNotifySettings#12b3ad31 peer:InputNotifyPeer = PeerNotifySettings;
@@ -286,3 +286,4 @@ geochats.sendMessage#61b0044 peer:InputGeoChat message:string random_id:long = g
 geochats.sendMedia#b8f0deff peer:InputGeoChat media:InputMedia random_id:long = geochats.StatedMessage;
 geochats.createGeoChat#745f22cb title:string geo_point:InputGeoPoint address:string = geochats.StatedMessage;
 invokeWithLayer4#dea0d430 query:!X = X;
+invokeWithLayer5#417a57ae query:!X = X;